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Generator Worksheets by grade Printables Blog Pricing

Generator Worksheets by grade Printables Blog Pricing

Math Sheet Studio

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Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8 Algebra 1 Geometry Algebra 2 Calculus

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We pick the skills and settings; every question and answer is still computed, so the key stays correct.

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Unit test: 20 questions, easy to hard, 2 points each, roomy spacing. Keeps your selected skills.

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Lines & angles

Angle pair equationsHSG.CO.C.9Parallel lines and transversalsHSG.CO.C.9

Triangles & congruence

Triangle angle sum and exterior anglesHSG.CO.C.10Triangle inequality theoremTriangle congruence (SSS, SAS, ASA, AAS, HL)HSG.SRT.B.5Triangle midsegment theoremHSG.CO.C.10

Polygons & quadrilaterals

Interior and exterior angles of polygonsProperties of parallelogramsHSG.CO.C.11Area of regular polygons

Similarity

Similar triangles and scale factorsHSG.SRT.B.5Triangle proportionality (side splitter)HSG.SRT.B.4

Right triangles & trigonometry

Special right triangles (45-45-90 and 30-60-90)HSG.SRT.C.6Trigonometric ratios (sine, cosine, tangent)HSG.SRT.C.6Solving right triangles with trigonometryHSG.SRT.C.8Law of sines and law of cosinesHSG.SRT.D.11

Circles

Arc length and sector areaHSG.C.B.5Inscribed and central anglesHSG.C.A.2Equation of a circleHSG.GPE.A.1Segments of chords, secants and tangentsHSG.C.A.2

Coordinate geometry

Distance and midpoint formulasHSG.GPE.B.7Partitioning a segment in a ratioHSG.GPE.B.6

Surface area & volume

Surface area of prisms, cylinders, cones, pyramids and spheresVolume of pyramids and prismsHSG.GMD.A.3

Each skill gets its own section. Up to 8 skills per sheet.

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Number optionsNo negative numbersWhole-number answers only (no fractions or decimals)

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Step-by-step answer keyPro: each answer shows its working in the PDF.QR code for the answersPrints a code that opens the answer key on a phone, so work can be checked at home.

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Set each section’s count and difficulty. Use the arrows to change its position. Locked questions stay in selected sections; unlock them to reduce counts or change their difficulty.

1. Area of regular polygons

Questions

Difficulty

Planned: 12 / 60 questions

12 questionsSign in to download PDFsSettingsShow answers

Name ______________________Date ____________Score ____ / 12

Area of regular polygons practice

Area of regular polygons · 1–12

Find the area.

Easy

1.A regular polygon with 5 sides has an apothem of 13.6 cm and a perimeter of 70 cm. Find its area.

Easy

2.A regular polygon with 8 sides has an apothem of 8.1 cm and a perimeter of 24 cm. Find its area.

Easy

3.A regular polygon with 6 sides has an apothem of 11.4 cm and a perimeter of 30 cm. Find its area.

Easy

4.A regular polygon with 12 sides has an apothem of 9.1 cm and a perimeter of 96 cm. Find its area.

Easy

5.A regular polygon with 8 sides has an apothem of 3.5 cm and a perimeter of 56 cm. Find its area.

Easy

6.A regular polygon with 12 sides has an apothem of 14.9 cm and a perimeter of 108 cm. Find its area.

Easy

7.A regular polygon with 10 sides has an apothem of 5.1 cm and a perimeter of 100 cm. Find its area.

Easy

8.A regular polygon with 5 sides has an apothem of 4.9 cm and a perimeter of 25 cm. Find its area.

Easy

9.A regular polygon with 12 sides has an apothem of 2.4 cm and a perimeter of 168 cm. Find its area.

Easy

10.A regular polygon with 10 sides has an apothem of 9.3 cm and a perimeter of 150 cm. Find its area.

Easy

11.A regular polygon with 6 sides has an apothem of 2.9 cm and a perimeter of 18 cm. Find its area.

Easy

12.A regular polygon with 8 sides has an apothem of 11.6 cm and a perimeter of 120 cm. Find its area.

Answer key — Area of regular polygons practice

Area of regular polygons

1.476 cm²

2.97.2 cm²

3.171 cm²

4.436.8 cm²

5.98 cm²

6.804.6 cm²

7.255 cm²

8.61.25 cm²

9.201.6 cm²

10.697.5 cm²

11.26.1 cm²

12.696 cm²

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