A flat rectangular piece of aluminum has a perimeter of 70 inches. The length is 11 inches longer than the width. Find the width
2 answers:
Answer:
The answer is the option D
Step-by-step explanation:
we know that
The perimeter of a rectangle is equal to
where
L is the length side of the rectangle
W is the width side of the rectangle
In this problem we have
so
------> equation A
------> equation B
Substitute equation B in equation A and solve for W
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Answer:
It is not a right triangle
Step-by-step explanation:
A triangle has side lengths of 8 inches, 12 inches, and 16 inches.
To determine if it is a Right Triangle, we make use of the Pythagoras Theorem, i.e.
Now the Hypotenuse is always the longest side
The equality above is not true and in fact
Therefore the 3 numbers do not satisfy Pythagoras theorem and cannot be the lengths of a right triangle.