David leaves the house to go to school. He walks 290 m west and 170 m north. To the nearest tenth, how far away is he from his s
1 answer:
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Answer:
≈ 565.5 units²
Step-by-step explanation:
The area (A) of the shaded sector = area of circle × fraction of circle
A = πr² × ← r is the radius
= π × 20² ×
= 400π × 0.45 ≈ 565.5 units²
