Answer:
x+63 = 90
Step-by-step explanation:
x and 63 add to a right angle so their sum is 90
We can solve
x = 90-63
x = 27
If it looks like this it's Improper 21/20
1778 cm
x-3/10 for x=1/2
1/2-3/10
=2/10
=1/5
you would subtract the two percents
