Answer:
#5
Area = Area of bigger triangle - Area of small triangle
#8
Area = area of square + area of two right angled triangles
Answer:
65
Step-by-step explanation:
128-63=65
X=6
y=7
6+7
= 13
1/2(6) + 7
= 3 +7
=10
Ok so
ratio
35/200=x/3000
7/40=x/3000
multiply both sides by 12000
2100=4x
divide both sides by 4
525=x
aprox 525 people