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1. What is the surface area of a cube whose side is 5 cm? *
A. 30 sq.cm
B. 60 sq.cm
C. 90 sq.cm
D. 150 sq.cm
2. A cylinder is 3 inches-tall and the radius of its circular base is 2 inches. What is its surface area? *
A. 20.56 sq.
B. 25.12 sq.
C. 37.68 sq.
D. 62.8 sq. in
3. A rectangular shipping container has a length of 7 inches, width of 12inches and height of 6 inches. Find the surface area of the shipping container? *
A. 240 inches²
B. 256 inches²
C. 250 inches²
D. 396 inches²​

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PROBLEM

1. What is the surface area of a cube whose side is 5 cm? *

A. 30 sq.cm

B. 60 sq.cm

C. 90 sq.cm

D. 150 sq.cm

2. A cylinder is 3 inches-tall and the radius of its circular base is 2 inches. What is its surface area? *

A. 20.56 sq.

B. 25.12 sq.

C. 37.68 sq.

D. 62.8 sq. in

3. A rectangular shipping container has a length of 7 inches, width of 12inches and height of 6 inches. Find the surface area of the shipping container? *

A. 240 inches²

B. 256 inches²

C. 250 inches²

D. 396 inches²

ANSWER

1.C. 90 sq.cm

2.A. 20.56 sq.

3.D. 396 inches²

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Answer:

1.D

A=150cm²

2.b

how to answer cylinder?

Volume of a cylinder

V = A h.

Since the area of a circle = π r 2 , then the formula for the volume of a cylinder is:

V = π r 2 h.

3.a

We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

Step-by-step explanation:

Area is the quantity that expresses the extent of a two-dimensional region, shape, or planar lamina, in the plane. Surface area is its analog on the two-dimensional surface of a three-dimensional object.

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