Math With Amar · Guided practice
10,000 ways to practice.
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Each chapter gives you a distinct mathematical scenario: one question to attempt, a hint, a worked solution, and an animated example you can control.
10,000 questions · 10,000 animated scenarios · 14 study levels
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Grade labels are starting points; school sequences vary. Advanced chapters assume the prerequisites listed on their pages.
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Grade 10 practice chapters
721–740 of 750 matching chapters · Page 37 of 38
Clear filtersGrade 10 · Chapter 721
Measure central-angle proportions · practice 79
A circle has radius 2.5. Find the area and arc length of its 150° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 722
Verify a distance-preserving rotation · practice 79
Rotate (2.75, 0) about the origin by -30°. Find the image and its distance from the origin. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 723
Connect similarity powers · practice 77
Dilate a rectangle with sides 2.5 and 4.25 by length factor 2.25. Find the new side lengths and area. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 724
Track corresponding geometric vertices · practice 73
Translate the point (1, 1) by the vector (-3, 4). Find the image and the movement length. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 725
Compare a triangle's base and altitude · practice 77
Find the area of a triangle with base 9.5 and perpendicular height 2. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 726
Distinguish length and cubic scale · practice 79
A rectangular prism has length 1, width 1, and height 2.5. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 727
Restrict a conditional sample space · practice 79
A chosen group contains 6 successes and 2 failures; 6 cases lie outside it. Find P(success | chosen group) and the fraction of all cases in the chosen group. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 728
Inspect regression residuals · practice 79
For inputs [1, 2, 3, 4, 5] and corresponding outputs [6, -4, 1, 6, -4], find the least-squares slope, mean output, and sum of squared residuals. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 729
Relate an acute angle to side ratios · practice 75
A right triangle has hypotenuse 13 and a selected acute angle of 15°. Find the opposite and adjacent legs. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 730
Measure central-angle proportions · practice 80
A circle has radius 4.5. Find the area and arc length of its 360° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 731
Verify a distance-preserving rotation · practice 80
Rotate (4.5, 0) about the origin by -180°. Find the image and its distance from the origin. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 732
Connect similarity powers · practice 78
Dilate a rectangle with sides 1 and 2 by length factor 0.75. Find the new side lengths and area. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 733
Compare a triangle's base and altitude · practice 78
Find the area of a triangle with base 6.5 and perpendicular height 8. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 734
Distinguish length and cubic scale · practice 80
A rectangular prism has length 1.5, width 3, and height 7. Find its volume. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 735
Restrict a conditional sample space · practice 80
A chosen group contains 1 successes and 6 failures; 1 cases lie outside it. Find P(success | chosen group) and the fraction of all cases in the chosen group. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 736
Inspect regression residuals · practice 80
For inputs [1, 2, 3, 4, 5] and corresponding outputs [3, -1, -2.5, -4, -8], find the least-squares slope, mean output, and sum of squared residuals. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 737
Relate an acute angle to side ratios · practice 76
A right triangle has hypotenuse 14 and a selected acute angle of 55°. Find the opposite and adjacent legs. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 738
Measure central-angle proportions · practice 81
A circle has radius 1. Find the area and arc length of its 105° sector. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 739
Verify a distance-preserving rotation · practice 81
Rotate (2, 0) about the origin by 60°. Find the image and its distance from the origin. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapterGrade 10 · Chapter 740
Connect similarity powers · practice 79
Dilate a rectangle with sides 2 and 4 by length factor 3. Find the new side lengths and area. Follow the calculation, then test the quantities in the animated example.
Question · Worked solution · Animated example
Open practice chapter