Find the area of each figure. Round to the nearest hundredth where necessary.

A = 1,307 cm^2

Step-by-step explanation:

Formula of Surface Area of a Rectangle:

A = 2 (lw + lh + wh)

length*width = (20)(23) = 460

length*height = (23)(4.5) = 103.5

width*height = (20)(4.5) = 90

A = 2 (460 + 103.5 + 90)

A = 2(653.5)

A = 1,307 cm^2

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18. g

20. h 30 degree turn.

21. d 90 degree angles

and also 19 is a. a sphere not a cirlcle

hope i !

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the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.