Question

Help! 8th grade math is torture! Anyone? Sos signal!

The following three sides of a triangle are given below. Is it also a right triangle? Show work, and then state yes or no.


S
i
d
e

#
1
=
4

c
m
,

S
i
d
e

#
2

=
20

c
m
,

S
i
d
e

#
3

=
6

c
m
Side #1=4 cm, Side #2 =
20
​
cm, Side #3 =6 cm

Answer 1

not really sure any more explanations that u can give

Explanation:

Answer 2

It is not a right triangle

Explanation:

To check if the sides are a right triangle, check if the sum of the squares of the two smaller sides equals the length of the square of the longest side.

In other words, check if it works with the Pythagorean theorem:

Does

3

2

+

4

2

equal

6

2

?

3

2

+

4

2

?

=

6

2

9

+

16

?

=

36

25

≠

36

Since

25

isn't

36

the triangle is not a right triangle.

Hope this helped!