Question

Suppose an isosceles triangle has its two equal sides given by
4x - 10.7
2x + 6.3
and its unequal side by 5x + 2. What is the length of its unequal side?

Answer 1

@jim_thompson5910

Answer 2

an isosceles triangle has 2 sides equal in length...

if the sides are equal then

4x - 10.7 = 2x + 6.3

solve for x

then you can find the length of the 3rd side

Answer 3

i got x=8.5.... but how do I solve for the third side ?

Answer 4

@campbell_st

Answer 5

yep... that looks about right... now substitute that into 5x + 2...

Answer 6

44.5?

Answer 7

thats correct... well done

Answer 8

thanks :)