4 people can paint a house in 6 hours a)how long will it take 1 person to paint a house

b)how long will it take for 3 people to paint a house

1 people can paint the house in 1:30 hours

and 3 people can paint in 4:30 hours

4 people can paint a house in 6 hours

1 people can paint a house = 6/4

= 1:30 hours

3 people can paint a house = 1:30 X 3

= 4:30 hours

900 degrees

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: