Answer:
Step-by-step explanation:
Draw the second altitude MB (see attached diagram).
Quadrilateral HLMB is a rectangle, then LM = HB = 3 units.
Trapezoid KLMN is isosceles trapezoid (because KL=MN), thus
Triangle LHN is right triangle, then by Pythagorean theorem,
Consider right triangle KLH. In this triangle,
So,
The answer would be the third choice, 2.24.
Answer:
3.52
Step-by-step explanation:
(-1.62 + 2.4) = 0.78
5(0.78) = 3.9
7.42-3.9=3.52
Answer:
4 hours
Step-by-step explanation:
15 x 4 = 60
$60