Answer:
102
Step-by-step explanation:
All angles added together=180
180-13-65
180-78
102
Step-by-step explanation:
denominators showing all working <3
Answer:
b sides
Step-by-step explanation:
the sides will have markings so you wont need the specific angles
Answer:
Just use a calculator and wite the square root value in it
Step-by-step explanation:
Atempt this method with all options at last u will have ur answer