Answer:
158
Step-by-step explanation:
2(x square + y square)
2 (X+y) square -2 xy
2(10) square -2(21)
2×100-42
200-42
=158
Answer:
Area = π×(3.5)^2+ π×(3.5)^2
=76,96902001295 inch²
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Answer:
length of the arc = 6 units
Step-by-step explanation:
