What is the ration or the areas of the un-shades to shaded regions of the circle?
unshaded is 150 degrees.
b) if the shaded region as an area of 49 dq ft, what is the area of the un=shaded region?

1. credits

2. dual - aspect

hope i : )

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun