Answer:
The area of a sector GHJ is 
Step-by-step explanation:
step 1
we know that
The area of a circle is equal to

we have

substitute


step 2
Remember that the area of a complete circle subtends a central angle of 360 degrees
so
by proportion find the area of a sector by a central angle of 65 degrees

Use 

Answer:

Step-by-step explanation:
→ State the gradient formula
( y₂ - y₁ ) ÷ ( x₂ - x₁ )
→ Find x₁ , x₂ , y₁ and y₂
x₁ = 4 , x₂ = 12 , y₁ = 9 and y₂ = 20
→ Substitute in the values

→ Simplify

Answer:
76 Miles.
Step-by-step explanation:
28.5/3=9.5
9.5(8)=76