SOLUTION: Refer to right triangle ACB. I measure of angle A=45degrees, and AB= 30 what is the length of AC? I used rules for special triangles 45/45/90 so is it 30/sqrtof2=x/1 ==ACor i s it

Question 301720: Refer to right triangle ACB. I measure of angle A=45degrees, and AB= 30 what is the length of AC?
I used rules for special triangles 45/45/90 so is it 30/sqrtof2=x/1 ==ACor i s it 30/1=x/sqrt 2=??
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
If the two sides are 30 and the third the hypotenuse is
sqrt(2*30^2)
sqrt(1800)=30*sqrt(2)=hypotenuse
or if the hypotenuse is 30
2a^2=30^2
2a^2=900
a^2=450
a=sqrt(450)
a=15sqrt(2)
the two equal sides are 15sqrt(2)

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