Question

find the value of x in each case:​

Answer 1

Answer:

4 x=72 degree

3 3 x= 60 degree

Answer 2

Answer:

iii. x=65°

Step-by-step explanation:

180° - 100° = 80°

180° - 7x°

Now, by applying ANGLE SUM PROPERTY OF TRIANGLE :

3x° + 80° + (180° - 7x°)

80° + 180° + 3x° - 7x° = 0

260° - 4x° = 0

260° = 4x°

260°/4 = x

130°/2 = x

x = 65°