Question

please help solve this a and b are the legs of a rectangle triangle if we know the hypotenuse is 4 times leg a then the the area of the triangle in terms of b would be??

Answer 1

a rectangle triangle ?

Answer 2

ok let me see

Answer 3

(4a)^2=a^2+b^2
16a^2=a^2+b^2
16a^2-a^2=b^2
15a^2=b^2
√15a^2=b
b=a√15 > so i got b