You can check whether this is true using Pythagoras' Theorem. The Pythagorean Theorem:
a² + b² = c², where c is the hypotenuse of a right triangle.
Let's plug in the given values and check the validity of the statement.
a² + b² = c²
7² + 9² = 11²
49 + 81 = 121
130 = 121
This is false. Thus,
Answer:
False - a triangle with side lengths 7, 9, and 11 is not a right triangle.
Answer:
16.5
Step-by-step explanation:
plugged information into the formula A=bh
Answer:
first one
hope it helps you ...
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My graphing app says the perimeter is 11.04 +2.24 ≈ 13.3 units, corresponding to the 3rd selection.