Question

find the value of x from the given fig​

Answer 1

Step-by-step explanation:

first figure sum of the angles =180

x+10+x-10+90 =180

2x + 90= 180

2x = 90

x = 45

from the second figure we know 120 +40 + angle =180 so angle =20

now x+70+20 =180

x+90=180

x=90