EPM5-Unit 6-Lesson 4: Review

It's an acute triangle.

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It's a right triangle.

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It's an obtuse triangle.

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The height of the triangle is 6 cm. The base of the triangle is 12 cm.

Find the area of the triangle.

• 36 cm²

• 72 cm²

• 9 cm²

• 18 cm²

There is a trapezoid. The length of the bases are 5 cm and 9 cm. The height is 3 cm.

Find the area of the trapezoid.

• 21 cm²

• 42 cm²

• 7 cm²

• 84 cm²

The two bases of a trapezoid are .... to each other.

• parallel

• perpendicular

The circumference of the circle is:

• 2 x 3.14 x r

• 3.14 x r

• 2 x 3.14 x d

• r x 3.14 x r

The area of the circle is:

• 2 x 3.14 x r

• 3.14 x r

• 2 x 3.14 x d

• r x 3.14 x r

The raidus of the circle is 3 cm. The area is ___ cm².

The raidus of the circle is 3 cm. The circumference is ___ cm.