Question

13. Find the measure of angle 'a' in the
given figures.
​

Answer 1

Answer:

in first answer is 140

in second 35

in third 170

Answer 2

$\huge\mathtt{Hello!}$

Answer :

A. $a = 80° + 60°$

[External angle property]

$a = 140°$

B.$70 = 35° + a$

$a = 70 - 35$

$a = 35°$

C.$a = 25° + 145°$

[External angle property]

$a = 170°$

Have a good evening!