39’12’31’ |

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Find the area of the triangle shown to the right. Round to the nearest whole number.

The area is

(Simplify your answer.)

12′

39″

31’Find the perimeter of the polygon.

The perimeter of the polygon is

(Simplify your answer.)

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20′

10′

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Fil

RName the angle in three kinds of notation.

✓

E

a

D

F

Select all that apply.

A. 4a

B. 4FDE

C. E

D. 4DFE

E. DEF or ⭑FED

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A construction worker needs to pour a rectangular slab 22 ft long, 32 ft wide, and 3 in. thick. How many cubic yards of concrete does the worker need? (Assume that the

construction worker cannot buy a fraction of a cubic yard of concrete.)

The worker needs

cubic yards of concrete.

(Type a whole number, rounded up to the nearest full cubic yard of concrete.)

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Find the missing dimension of the figure shown to the right. Round to the nearest

tenth.

The missing dimension is

51′

45′

?

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