Question

plz tell the amswer

how to find it

with full formula​

Answer 1

Step-by-step explanation:

1)90

2)180

3)54

4)135

right angle =90

Answer 2

Answer:

i) A right angle is equal to 90 degrees

ii) One right angle is 90∘

So, number of degrees in 2 right angles =2×90∘

=180∘

iii) 3/5 of 90°=3×18= 54°

iv) 135 degree