This is how you answer number 15 and 16
66.5cm
Split the shape into a square and triangle and find the area separately
Square: 8*7=57
Triangle: 7*3/2 = 10.5
=66.5
Unknown. C is the hypotenuse, but this problem is solvable.
Answer:
3
1
0
=
4
5
1
4
Step-by-step explanation: