Question

if A=45°,B=30° then​

Answer 1

Step-by-step explanation:

if you want to ask if whole is 90⁰ so ...

other one angle C=90-A+B

=90-45⁰+30⁰

C =15⁰

AND

if you want to ask if the triangle is ABC

so.......

A+B+C=180⁰

45⁰+30⁰+C=180⁰

C=180⁰-45⁰‐30⁰

C=180⁰‐75⁰

C=105⁰

Answer 2

Answer:

If u want the sum of a triangle

Then

Step-by-step explanation:

BY

S. M. A. T=180 °

45°+30°+x=180°

75°+x=180°

x=180°-75°

x=105°