Checkpoint #4 review

Find the area of the given circle.

Use π=3.14.   

Round to the hundredths place if necessary. 

• 401.92

• 25.12

• 50.24

• 200.96

Find the circumference of the given circle.

Use π=3.14.   

Round to the hundredths place if necessary. 

• 50.24

• 25.12

• 100.48

• 16

The circumference of a circle is 60π meters.

What is the area of the circle?

• 11304

• 2826

• 188.4

• 94.2

The area of a circle is 78.5 cm. 

What is the circumference?

Use 3.14 for π.

• 157

• 31.4

• 15.7

• 102.3

The measure of ∠AOC is 90∘.​​

Find the value of x.

• 40.6

• 11.5

• 30

• 50

Which conditions will result in the construction of a unique triangle?   

• angle measures 30' 60' 90'

• angle measures 50' 50' 80'

• side lengths

  2in 7in 8in

• side lengths

  3in 8in 9in

Which conditions will result in the construction of a unique triangle?  

• side lengths

  5ft 6ft 12ft

• side lengths

  11cm 15cm 17cm

• angle measures

  45' 45' 90'

• angle measures

  120' 80' 60'

Find the value of x in the following figure:

• 90

• 45

• 85

• 75

Find the measure of exterior angle ∠ACD.

• 145

• 116

• 60

• 56

Angle X and Angle Y are complementary.

The measure of Angle Y is 65 degrees.

Find the measure, in degrees, of Angle X. 

• 65

• 25

• 115

• 210