Question

What is the perimeter of the triangle below?
24.14 28.26
30 110

Answer 1

Is this a right triangle?

Answer 2

yea

Answer 3

does this picture help?

Answer 4

Yes.

Answer 5

Note the use of the Pythagorean Theorem. Also, 10 times square root of 2 and 10 are not like terms. The perimeter is, as shown, 10√2 + 10

Answer 6

um i don't understand that!! :(

Answer 7

Do you know the Pythagorean Theorem?

Answer 8

not really!

Answer 9

That is probably why you do not understand. You need to learn it.
The square of the hypotenuese of a right triangle is equal to the sum of the squares of the other two sides.

That's where the 10^2 = x^2 + x^2 comes from.

Answer 10

okay where can i learn it?

Answer 11

Go to this site (it goes step by step) and learn the theorem and look at the examples. Then, come back here, and we'll look at this problem again together.
http://www.mathsisfun.com/pythagoras.html

Answer 12

it is simple but yet still is comfusing