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aminah.love18Best ResponseYou've already chosen the best response.1
dw:1331332909605:dw
 2 years ago

RomeroBest ResponseYou've already chosen the best response.0
what's the formula for the area of a triangle?
 2 years ago

PROSSBest ResponseYou've already chosen the best response.1
I can't see all of the sides.\
 2 years ago

jim_thompson5910Best ResponseYou've already chosen the best response.0
This is an isosceles triangle. So you can cut this triangle in half to get dw:1331333001972:dw then you can use the pythagorean theorem to find the height x x^2 + 9^2 = 24^2 x^2 + 81 = 576 x^2 = 576  81 x^2 = 495 x = sqrt(495) x = 22.248595 So the height is roughly 22.248595 This means that the area is then A = (bh)/2 = (18*22.248595)/2 = 200.237355 So the area is roughly 200.237355 square units.
 2 years ago

PROSSBest ResponseYou've already chosen the best response.1
or you could use Heron's formula
 2 years ago

PROSSBest ResponseYou've already chosen the best response.1
s=(a+b+c)/2 Area = (s(sa)(sb)(sc))^(1/2)
 2 years ago
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