Answer:
9 units
Step-by-step explanation:
By the midsegment theorem,

Since the ratio
then
and

Draw two heights LE and MF. Quadrilateral ELMF is a rectangle, then EF = LM = 6 units.
Trapezoid KLMN is isosceles trapezoid (KL = MN), then KE = FN and

Consider right triangle KLE. By the Pythagorean theorem,

Answer:
396.8
Step-by-step explanation:
Multiply them to each other.
Answer:
use p h o t o m a t h
Step-by-step explanation:
Im not so sure but, 3x2=6; 2x3=6; 6+6=12
Answer:
b=15
Step-by-step explanation:
7(b+1)=2*56 (we cross multiply)
7b+7=112
7b=105
b=15