Question

A billiards triangle is equilateral. What is its perimeter?
(Note: The illustration is of an equiangular triangle drawn from one side.)
10 1/4 in.
5 1/8 in.
33 3/4 in.
11 1/4 in.

Answer 1

@Mertsj

Answer 2

What does equilateral mean?

Answer 3

all sides are equal

Answer 4

So write (and solve) the equation that says those two sides are equal.

Answer 5

2x+1=4x-9 1/4 ?

Answer 6

Yes. Find 2x

Answer 7

5?

Answer 8

is it 5 1/8?

Answer 9

That is x, right?

Answer 10

x=2