Answer:
a. 7(3) - 20 = 1°
b. 9 cm
c. Aly is correct
Step-by-step explanation:
Answer:
The shaded area is
Step-by-step explanation:
we know that
The shaded area is equal to the area of the large square minus the area of the two smaller squares
so
---> expression that represent the shaded area
Calculate the shaded area
Remember that
substitute