Answer:
In triangles
In the case of a triangle, a common way to calculate its area is 'half of base times height' where the 'height' is the altitude, or the perpendicular distance from the base to the opposite vertex. The base can be any side, not just the one drawn at the bottom.
Step-by-step explanation:
hope this helps
Since lines a and b are perpendicular, that means it is a right angles so angles a+b=90 so they are complementary
Answer:
Step-by-step explanation:
estimation is about -3 
1 foot = 30.48 centimeters
Multiple 30.48 centimeters by 7
30.48 centimeters times 7 =
213.36