suppose 200 students take an exam, graded on a scale of 0-100%. The median exam grade was 78%, the mean exam grade was 68%, and
1 answer:
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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.