what is area of sector which is 90°, radius=7cm
Answers
Answered by
0
Answer:
51.3 cm²
Step-by-step explanation:
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Answered by
0
Answer:
38.5 cm²
Step-by-step explanation:
θ = 90°
r = 7 cm
Area of sector: × πr²
⇒ × × (7)²
⇒ × × 49
⇒ × 11 × 7
⇒
⇒ 38.5 cm²
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