A 3-sided polygon that contains a 90° angle is called:
2 answers:
Answer:
C
Step-by-step explanation:
A: Method that is used to find either the legs or the hypotenuse of a right triangle.
B: Diagonal line of a right triangle, also used in the Pythagorean Theorem
C: 3-sided shape with a 90-degree angle
D. Lenth and height of a right triangle, used in the Pythagorean Theorem
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Answer:
x = t -
Step-by-step explanation:
Given
t = x + ( isolate x by subtracting
from both sides )
t - = x