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Marta_Voda [28]
3 years ago
14

A rectangular pyramid. The rectangular base has a length of 10 centimeters and a width of 2 centimeters. 2 triangular sides have

a base of 2 centimeters and a height of 8 centimeters. 2 triangular sides have a base of 10 centimeters and a height of 6.3 centimeters.
What is the surface area of the rectangular pyramid shown?
Mathematics
2 answers:
pentagon [3]3 years ago
6 0

Answer:

99

Step-by-step explanation:

dexar [7]3 years ago
4 0

Answer:

99 cm2

Step-by-step explanation:

<u>1. to break this up a bit first find the area of the base</u>

10*2 = 20

<u>2. now 2 triangular sides with the base of 2</u>

2*8/2= 8 (each triangle is 8 cm2)

there's two of them so it's 16

<u>3. now the last two triangular sides</u>

10*6.3/2=31.5

there's two of them so it's 63

<u>4. add it all up: 20 + 16 + 63 =99</u>

<u />

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Answer:

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Step-by-step explanation:

we know that

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so

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EF=\frac{b+d}{2}\ units

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Step-by-step explanation:

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