Answer:

Step-by-step explanation:
There is a formula for the area of a sector given the radius and the angle measure.

n = angle measure
r = radius




<span>"A TV is on sale at 30% off for $420"
What was the original price of the TV?
</span>
Well if you start to calculate first off you are sooner or later going to figure out that in order for it to be 420 the answer has to be bigger than 1,000. If you get to 1,200 and calculate 30 percent off of it it the answer is 360 so a ballpark quesstiminate would be to go two more hundredths up. Therefore 30 percent of 1,400 is 420
<span>A quadrilateral has congruent diagonals. It is probably a <u>Square</u></span>
The answer is one solution
The first one is 17 13/15 the second one is 22 1/20