Answer:
35 miles per hour
Step-by-step explanation:
175 -140 = 35
35/1 = 35
we know that
For a spherical planet of radius r, the volume V and the surface area SA is equal to

The
ratio of these two quantities may be written as

we know


therefore
the answer is

The van is traveling about 55.9 miles per hour.
Answer:
They are: area of sector and area of triangle
Step-by-step explanation:
Area of segment=area of sector - area of triangle
So we need both the area of sector and area of triangle to calculate for the area of a segment