Question

Please answer no spamming it is a request

Answer 1

Answer:

09)If A+B+C=180°

then,

A+B/2=90°-C/2

Thank you !

# Astro

Answer 2

Answer:

if angle A + B + C = 180°

A + B = 180° -C

$\frac{(a + b)}{2}$

=

$90 - \frac{c}{2}$