Question

In∆ABC a=30cm b= 40cm c=50cm then angle c=?

Answer 1

Answer:

given a=30 cm b=40 cm

Step-by-step explanation:

sum of three angles =180 degree

a=30,b=40

a+b+c=180 degree

30+40+c=180 degree

70+c=180 degree

c=180-70 degree

c=50 degree hence the proof. please mark me as brain list