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Grade 10 area of circles worksheets

HSG-GMD.A.1 Measurement and geometry

Printable area of circles worksheets for grade 10, aligned to Common Core standard HSG-GMD.A.1. Leave the answer in terms of π.

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Sample problems

  1. A circle has a radius of 7 cm. What is its area, in terms of π? 49π cm²
  2. A circle has a radius of 5 cm. What is its area, in terms of π? 25π cm²
  3. A circle has a radius of 4 cm. What is its area, in terms of π? 16π cm²
  4. A circle has a radius of 6 cm. What is its area, in terms of π? 36π cm²
  5. A circle has a radius of 2 cm. What is its area, in terms of π? 4π cm²
  6. A circle has a radius of 8 cm. What is its area, in terms of π? 64π cm²
  7. A circle has a radius of 10 cm. What is its area, in terms of π? 100π cm²
  8. A circle has a radius of 3 cm. What is its area, in terms of π? 9π cm²

These eight are one sample at medium difficulty — the generator makes a different set every time.

A worked example

A circle has a radius of 7 cm. What is its area, in terms of π? 49π cm²

  1. Area = π × r²
  2. 7² = 49, so the area is 49π cm²

Every problem on the answer key can show its steps like this — turn on “Show steps” before downloading.

About these worksheets

Each problem states its own measurements, so the reasoning is the same but the arithmetic is new every time. Every sheet is generated fresh, so you can print a new one on the same skill as often as you need — different numbers, same difficulty.

Pick how many problems you want and whether they should be easy, medium or hard, then download a PDF with a matching answer key. The key can show the worked steps for every problem, which is what a parent needs to see where a wrong answer went wrong.

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