Jullsnation Jullsnation

03-03-2020
Mathematics

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Help please! Find the surface area

Help please Find the surface area class=

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ScreamingAvocado ScreamingAvocado

03-03-2020

Answer:

624 cm^2

Step-by-step explanation:

Base: 13 × 13 = 169

Rectangular Sides: 12 × 13 = 156 (×2 = 312)

Triangular Sides: 11 × 13 = 143

Add: 169 + 312 + 143 = 624

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