Question

hey guys plz help me in this question with full explanation

those who give me with full explanation I will mark him or her as brainlist and follow u... and thanks ur answer 100%
truth​

Answer 1

Answer:

130°

Step-by-step explanation:

Let the proportional parts a&b be 4x & 5x respectively

a+b=90°

4x+5x=90°

9x=90°

x=10°

Therefore,

a=4×10°

=10°

b=5×10°

=50°

Since , AB is a straight line

b+c=180°

50°+c=180°

c=130°

Answer 2

hope it helps u!!!!

if not so then ok u may comment I will try to explain u in a better form