SOLUTION: An equilateral triangle has sides of length 12 cm. 1) find it's length of its altitude (height) 2) find it's area

SOLUTION: An equilateral triangle has sides of length 12 cm. 1) find it's length of its altitude (height) 2) find it's area

Algebra.Com

Question 908233: An equilateral triangle has sides of length 12 cm.
1) find it's length of its altitude (height)
2) find it's area
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
hypotenuse=12
one leg 6
6^2+a^2=12^2
a^2=144-36
a^2=108
a=
area =1/2 *sqrt(8)*12
area =6*sqrt(8)

RELATED QUESTIONS
An equilateral triangle has an altitude of 6 cm 1) Find the length of one side 2)... (answered by mananth)

Find the altitude of an equilateral triangle if one of its sides measures 12... (answered by mollukutti)

the side of an equilateral triangle is 16 cm. find the length of its altitude (answered by richwmiller)

Please help me solve this question: An equilateral triangle has area 16 sqrt(3) cm^2 .... (answered by Alan3354)

An equilateral triangle has sides lengths of 10. The length of its altitude... (answered by solver91311)

"The base of a triangle is x cm long and its altitude is quarter the length of its base.... (answered by MathLover1)

find the length of altitude of an equilateral triangle of side 36 cm each? (answered by Cromlix)

Find the length of a side of an equilateral triangle whose altitude is 17.32... (answered by nerdybill)

If the altitude of an equilateral triangle is 15, find the length of the... (answered by unlockmath)