The equal sides of an isosceles triangle are 5units less than twice the third side.What is the length (in units) of equal sides of the triangle providing it's perimeter is 75 units.
option 1:)35 2:)25 3:)29 4:)41 but give me your answer in brief
the answer is given by whom I mark it as brainlist
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Answered by
2
Answer:
Let the third side be x
Equal sides= 2x-5
x+2x-5+2x-5 = 75
x+2x+2x-5-5= 75
5x-10= 75
5x= 75+10
5x= 85
x= \frac{85}{5}
5
85
x = 17
Equal sides = 2x-5 = 2*17 -5
= 29 units
So option 3) 29 units is correct.
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Answered by
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Answer:
The equal sides of an isosceles triangle are 5units less than twice the third side.What is the length (in units) of equal sides of the triangle providing it's perimeter is 75 units.
option 1:)35 2:)25 3:)29 4:)41 but give me your answer in brief
the answer is given by whom I mark it as brainlist
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