An isosceles triangle has a perimeter of 63 with base measuring 4x – 2 ft and congruent sides 3x + 5. What is the length of the base?

Question

An isosceles triangle has a perimeter of 63 with base measuring 4x – 2 ft and congruent sides 3x + 5.  What is the length of the base?

phi · Answer

I would add up the 3 legs and set that sum equal to 63
solve for x
then find the base using the formula base= 4x-2

phi · Answer

Step 1: write down the length of each side and put a + sign in between them

anonymous · Answer

the length isn't given?>

phi · Answer

The lengths are given as "expressions"
The base is 4x – 2
the two congruent sides are both 3x + 5

you can add expressions... you write them down, and put a + in between them.

anonymous · Answer

I got the answer o 27.5 is that correct?

phi · Answer

can you post the work ?

phi · Answer

Step 1: write down the length of each side and put a + sign in between them