Question

17)find value of x given fig ABC is a triangle angleA =x ,angleB= 95 and angle C= 45
B
C
PORT​

Answer 1

Answer:

angle A + angle B + angle C = 180 degrees (interior angle property)

substituing the values

x + 95 + 45 = 180

x + 140 = 180

x = 40

So angle A is 40 degrees