Question

find x if b is 90 and it is a right angle triangle​

Answer 1

Step-by-step explanation:

cos90=x-3/x+2

we know the value of cos90.

0=x-3/x+2

x-3=0

x=3

so, the value of x is 3

Answer 2

Answer:

(x+2) 2 = (x-3) 2+5^2

x^2 + 4x+4= x^2-6x +9+25

10x = 30

x = 3

x+2=5

x-3 = o

5 , 5,0