For number 16:
Use the vertical pencil line you have drawn to split the polygon.
12-4=8
3*8=24
12*4=24
24+24=48
48 is the area of 16
For number 17:
Split the polygon in half
Find the area of both of the parallelograms
6*20=120
6*20=120
120+120=240
The area of shape 17 is 240
Answer:
A = 2.37500
B = 8.5
Step-by-step explanation:
Explanation A - 19 divided by 8 is 2.37500
Explanation B - 34 divided by 4 is 8.5
Answer:
a) 54.6
b) 140
Step-by-step explanation:
7644 ÷ 140 = 54.6
so;
7644 ÷ 54.6 = 140
Answer:
9 groups with 6 extra students
Step-by-step explanation:
78/8= 9 .75
we take the whole number =9
8*9=72
78-72=6
6 extra students