Question

28. In Fig.28, AOC is a line, find x
Solve this question

Answer 1

X=55
You have 180 degrees in a straight line so you subtract 70 from it which is 110 and then you do then you divide it by two that is the number next to it

Answer 2

Explanation:

Solution

In the figure,

∠

A

O

B

+

∠

B

O

C

=

180

∘

(Linear pair)

⇒

70

∘

+

2

x

=

180

∘

−

70

∘

⇒

2

x

=

110

∘

⇒

x

=

110

∘

2

=

55

∘

∴

x

=

55

∘