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2 answers:
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Answer:
<h2>L.A. = 384 cm²</h2><h2>S.A. = 640 cm²</h2>Step-by-step explanation:
Lateral Area:
We have four congruent triangles with base b = 16cm and height h = 12cm.
The formula of an area of a traingle:
Substitute:
Surface Area:
In the base we have the square with side s = 16cm. The formula of an area of a square:
Substitute:
