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Unit 8 Test A

Last updated over 1 year ago

10 questions

1

Find the approximate circumference of a circle with a radius of 15 inches.

Note: C = 3.14d

1

Find the exact area of a circle with a diameter of 36 meters.

Note: A = 𝜋r2

1

Give the most specific name for line EF in the picture below.

1

Identify a chord in the picture below.

1

Find the length of minor arc AB in circle P with a radius of 6 centimeters.
Use a calculator to round your answer to the nearest tenth of a cm.

Note: Arc Length = (central angle/360) 𝜋d

1

Find the measure of arc JL and identify the arc as a major arc, minor arc, or semi-circle.

1

Determine whether segment FG is tangent to circle E. Give justification for your answer by showing your work.

Note: a2 + b2 = c2

1

Find the area of the sector formed by the acute angle JLK.
Use a calculator to round to the nearest tenth of a foot.

Note: sector area = (central angle/360) 𝜋r2

1

Determine the length of KJ. Show your work for full credit.

Note: Once you solve for x, you still need to find the length of KJ.

1

Determine the measure of minor arc AB. Show your work for full credit.

Note: Once you solve for x, you still need to find the measure of arc AB.