The legs of a isosceles triangle are 0.3 foot less then twice the base . The perimeter of the triangle is 4.9 feet . A: 1.1 feet B:1.4 feet C.1.9 feet D2.2 feet

Question

asked Nov 23, 2019 19.1k views

2 Answers

Pimpampoum · Answer 1 · 2019-11-30T05:48:46+0000

Answer:

The legs are 1.9 feet long

And the base is 1.1 feet long.

Explanation:

Firstly, you need to find the value of x.

You need to add all the sides together:

2x - 0.3 + 2x - 0.3 + x

Simplified =

5x - 0.6

And this equals 4.9:

5x - 0.6 = 4.9

Next, you need to move the -0.6 over to the other side, making sure to make it a positive:

5x = 4.9 + 0.6

5x = 5.5

Now divide each side by 5:

(5x)/(5) = (5.5)/(5)

x = 1.1

As the image is unclear of what side you are finding the length of:

2x - 0.3 = 1.9 feet long

And the base is 1.1 feet long.