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mrs_skeptik [129]
2 years ago
14

Find the surface area of the square pyramid. Enter your answer in the box.

Mathematics
1 answer:
Arisa [49]2 years ago
6 0

Answer:

<u>341 cm²</u>

Step-by-step explanation:

Formula :

<u>Surface area = Area of 4 triangle faces + Area of square base</u>

<u />

===============================================================

Solving :

⇒ Surface area = 4 × 1/2 × 11 × 10 + 11²

⇒ Surface area = 2 × 110 + 121

⇒ Surface area = 220 + 121

⇒ Surface area = <u>341 cm²</u>

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