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Natali [406]
4 years ago
13

Olivia goes to Egypt and saw a model of a triangle shaped pyramid. she enlarged it using a scale factor of 1.2. What will be the

perimeter and area of the new triangle pyramid?

Mathematics
1 answer:
tatuchka [14]4 years ago
7 0
She enlarges by a scale factor of 1.2, so we can multiply this to all the measurements to find the sides of the enlarged triangle.

6 * 1.2 = 7.2
7 * 1.2 = 8.4
8 * 1.2 = 9.6

Now find the Area and Perimeter of the enlarged triangle.

A = 1/2bh

A = 1/2 * 9.6 * 8.4

A = 40.32

P = a + b + c

P = 7.2 + 7.2 + 9.6

P = 24
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