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alekssr [168]
3 years ago
7

Help me please and thank you!

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

The first picture and 28.2 square units

Step-by-step explanation:

Equation: A+1/2ps

A = area of the base

p = perimeter of the base

s = slant height

3²+1/2(12)(3.2)=28.2

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