Answer:
D
Step-by-step explanation:
Multiply by 3
4 x 3 = 12
9 x 3 = 27
Answer:
16 squares
Step-by-step explanation:
The area of an isosceles is 

Hope this helped!
Answer:Ok so im in 5th grade and ik how to do this you should to Step-by-step explanation: b2-4b-16 6.2
length of big square

length of small square

difference between length of two square
=5.2-3.5
=1.7