By definition <span>a2=b2+c2</span>, so if b<0 or c<0 or both, b2 and c2 will (always) be positive, and so their sum will always be positive, therefore the hypotenuse, a<span>, will always be positive.
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Answer:
Step-by-step explanation:
(Pythagorean theorem)
(30-60-90 triangle)
(angle subtraction)
(base angles theorem)
(30-60-90 triangle)
(angle subtraction)
Answer:
true
Step-by-step explanation:
because the question is he points on the number line do represent additive inverses. 3 and −3 are a zero pair, and when added they equal zero. The two numbers are the same distance from zero but in opposite directions. then it would equal 0
<span>An exterior angle of a triangle is equal to the sum of the opposite interior
angles </span>⇒ x = 30 + 90 = 120°