Jim is painting the inside of a circular helicopter pad. How many cans of paint would he need if the pad is 50 feet across and each can of paint covers about 200 ft squared

number of paints needed is approximately 10 cans

Step-by-step explanation:

if the pad is 50 feet across that is the diameter of the circular pad is 50 feet.

therefore to get the cans of paints needed we need to first find the area of the circular pad which is :

area of a circle = π

diameter = 50, radius = 50 / 2 = 25

area = 22/7 * = 1964.29 ft squared

where each paint covers 200ft squared

therefore to get the number of paints needed we will divide

1964.29 / 200 = 9.82 ≅ 10

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.