SOLUTION: please help, my 6th grade daughter. she lost me on this one.
a triangle has a height of 8 units, an area of 84 square units and a perimeter of 48 units. one side has a length of
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-> SOLUTION: please help, my 6th grade daughter. she lost me on this one.
a triangle has a height of 8 units, an area of 84 square units and a perimeter of 48 units. one side has a length of
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Question 907973: please help, my 6th grade daughter. she lost me on this one.
a triangle has a height of 8 units, an area of 84 square units and a perimeter of 48 units. one side has a length of 10 units. determine the lengths of the other side.
thank you very much!!!!!! Answer by JoelSchwartz(130) (Show Source):
You can put this solution on YOUR website! A=1/2bh area formula for a triangle
h=8
A=4b
A=84
84=4b
b=21
I solved for the base because it is one of the sides of the triangle.
The perimeter is the sum of all the sides of the triangle.
x=The unknown side of the triangle.
21+10+x=48
31+x=48
x=17
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