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iogann1982 [59]
3 years ago
5

A group of students made trees out of paper for a scene in a school play. The trees are shaped like square pyramids. The base is

70 cm and the height 140 cm. How much paper will it take to make each tree, including the bottom?

Mathematics
1 answer:
Readme [11.4K]3 years ago
8 0

Answer:

26.4ft²

Step-by-step explanation:

I first converted the centimeter values to feet

140Cm x 30.48 = 4.59

70cm x 30.48 = 2.3

the paper required is approximately equal to the area of the pyramid.

area of pyramid is equal to area of triangle + base²

Are of triangle = 1/2 x b xh

= 4 x 1/2 x4.59x2.3 + (2.3)²

= 2 x 4.59 x 2.3 + 5.29

= 26.4 feet²

therefore it will take 26.4 feet² paper to make each tree, including the bottom.

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