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Can someone help me with this thing - Thanks!

Can someone help me with this thing - Thanks!-example-1
User Barb
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2 Answers

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Triangle has angles of 90°, 45° and 45° , therefore it's an isosceles right triangle, so the legs have the same length.

Let x be a leg.

sin(45^o)= (opposite)/(hypotenuse) = (x)/(24) \ \ \to \\ \\ x = 24*sin(45^o) = 24 * ( √(2) )/(2)=12 √(2)

Answer: D.
User Mmking
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5 votes
That's an isosceles right triangle. It got equal legs and it's half of a square. Finding the hypothenuse is like finding the diagonal of the square. So the legs are like the sides of the square.

From the formula hypothenuse = l√2 you get

Leg = (h√2)/2 = 24√2/2 = 12√2 (you can also do 24/√2)

Answer D
User Offline
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