Question

4. If ray OC stands on line AB such that ∠AOC = ∠BOC, then find ∠BOC​

Answer 1

Answer:

as AB IS STRAIGHT LINE IT HAS A 180° IN IT.

SO LET'S TAKE,

$aoc + boc = 2\alpha = 180 \\ = 2 \alpha = 180 \\ = \alpha = \frac{180}{2} = 90$

so angle boc is 90°

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Answer 2

Answer:

as AB IS STRAIGHT LINE IT HAS A 180° IN IT.

SO LET'S TAKE,

\begin{gathered}aoc + boc = \2alpha = 180 \\ = 2 \alpha = 180 \\ = \alpha = \frac{180}{2} = 90\end{gathered}

aoc+boc=\2alpha=180

=2α=180

=α=

2

180

=90

so angle boc is 90°