Math i am having a hard time doing this could anyone explain?
1 answer:
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Answer:
20
Step-by-step explanation:
Using the rule of radicals
×
⇔
Given
×
=
=
= 20
Answer:
B
Step-by-step explanation:
Pythagorean theorem (applicable on right triangles only) says:
- Where
and
are the two legs of the triangle and
is the length of the hypotenuse [THE LONGEST SIDE].
<u>We can square each leg on the triangle and take the sum, if that is equal to the square of the longest side, we have a right triangle. Let's check for all of these.</u>
A.
They're not right triangle.
B.
This is a right triangle.
C.
They're not right triangle.
D.
They're not right triangle.
Only B is the right triangle.