SOLUTION: PROBLEM 1. If the area of an equilateral triangle is 36 suare centimeter, find its side length and height.
PROBLEM 2. If a gallon of paint covers 400 square feet, how much gallo
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Question 355651: PROBLEM 1. If the area of an equilateral triangle is 36 suare centimeter, find its side length and height.
PROBLEM 2. If a gallon of paint covers 400 square feet, how much gallons are needed to paint two walls each having dimensions 38ft x 25ft.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
the area of equilateral triangle = 36m^2
the area = sqrt3/4 * s^2=36
4*36/sqrt3=s^2
144/sqrt3 =s^2
83.13=s^2
s= 9.11 cm
...
dimensions wall = 38 by 25
Area = 38*25= 950 ft^2
2 walls = 1900 ft^2
..
area = 1900 ft^2
400ft2 /gallon
..
1900/400 = 4.75 gallons
m.ananth@hotmail.ca
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