Question Number 100378 by bemath last updated on 26/Jun/20

Commented bybemath last updated on 26/Jun/20

find the area of OACB . where radius = 4

Answered by john santu last updated on 26/Jun/20

Commented byjohn santu last updated on 26/Jun/20

OM = (√(1^2 +2^2 )) = (√5) OA= (√(16−5)) = (√(11)) ((OC)/4) = (4/(√5)) ⇒OC = ((16)/(√5)) Area OACB = 2×area OAC = 2×(1/2)×((16)/(√5)) × (√(11)) = ((16(√(11)))/(√5)) = ((16(√(55)))/5)

Commented bybemath last updated on 26/Jun/20

thank you