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Lubov Fominskaja [6]
3 years ago
8

Find the lateral area and surface area of the solid. Use the 2.5 by 2.5 square as the base. Round to the nearest tenth if necess

ary.
I am unable to add a photo, the base is: 5.5ft, 5.5ft, and the height is 10ft.

Choices:
L = 220ft2 ; S = 302.5 ft2

L = 280.5 ft 2 ; S = 220ft2

L = 170.5 ft2 ; S = 280.5ft2

L = 220ft 2 ; S = 280.5 ft2
Mathematics
2 answers:
maxonik [38]3 years ago
8 0

Answer:

Part 1) LA=220\ ft^2

Part 2) SA=280.5\ ft^2

L = 220 ft2 ; S = 280.5 ft2

Step-by-step explanation:

<u><em>The correct question is </em></u>

Find the lateral area and surface area of a rectangular prism. The base is a square 5.5 ft by 5.5 ft, and the height is 10 ft

Part 1) Find the lateral area

The lateral area of a rectangular prism is equal to

LA=Ph

where

P is the perimeter of the base

h is the height of the prism

we have

P=4(5.5)=22\ ft ---> the perimeter of a square

h=10\ ft ---> is given

substitute

LA=22(10)=220\ ft^2

Part 2) Find the surface area

The surface area of a rectangular prism is equal to

SA=2B+LA

where

LA is the lateral area

B is the area of the base

we have

LA=220\ ft^2

B=5.5^2=30.25\ ft^2 ----> area of a square

substitute

SA=2(30.25)+220=280.5\ ft^2

emmasim [6.3K]3 years ago
7 0

Answer:

D. L = 220 ; S = 280.5

Step-by-step explanation:

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