Minnesota MCA in High School Math Chapter 5

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1 pt

5.

A line that touches a circle only at one point is called a

A

tangent.

B

chord.

C

secant.

D

inscribed line.

**Use the circle below to answer the next two questions.

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7.

Find $\overline{LN}$.

A

-15

B

2

C

-2

D

15

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9.

If you decide to divide a pie that has a diameter of 8 inches into 6 equal slices, what is the area of each slice?

A

$8.37i{n}^{2}$

B

$4.19i{n}^{2}$

C

$33.49i{n}^{2}$

D

$50.24i{n}^{2}$

DOK: 2
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15.

Find the approximate area. Use $\mathrm{\pi}\approx 3.14.\mathrm{A}={\mathrm{\pi r}}^{2}$

A

$113.04{\mathrm{cm}}^{2}$

B

$28.26{\mathrm{cm}}^{2}$

C

$18.84{\mathrm{cm}}^{2}$

D

$188.4{\mathrm{cm}}^{2}$

DOK: 2
1 pt

16.

What is the circumference of a circle that has a diameter of 10 cm? $\mathrm{C}=\mathrm{\pi d}$

A

15.7 cm

B

31.4 cm

C

78.5 cm

D

310 cm