The angles 1 and 2 are right angles.
As stated in the question line l is perpendicular to line m and perpendicular lines create right angles
Hope this helps :)
Answer:
a) 15m²
b) 750cm³
Step-by-step explanation:
(3+2)/2=5/2=2.5
2.5x6=15
a) 15m²
1/20=x/15
15=20x
x=15/20
x=3/4 = 0.75
1 liter is 1000cm³
1000x0.75
b) 750cm³
