5.8k views
1 vote
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..............................-example-1

2 Answers

3 votes

Answer:


403 + 40√(3)~~ ft^2

Explanation:


(20+√(3))(20+√(3)) = 20^2 + 2\cdot 20 \cdot √(3) + √(3)^2 = 400 + 40√(3) + 3 = 403 + 40√(3)

User Pozuelog
by
8.7k points
2 votes

Answer:

a) 403 + 40√3 ft²

Explanation:

Given that,

→ l = 20 + √3 ft

→ w = 20 + √3 ft

Formula we use,

→ A = l × w

Then the required area will be,

→ (20 + √3) × (20 + √3)

→ (20 + √3)²

→ 403 + 40√3 ft²

Hence, option (a) is the answer.

User Ali Motevallian
by
8.6k points

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