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makkiz [27]
3 years ago
9

The sum of the measures of two supplementary angles is 90°.

Mathematics
2 answers:
kvv77 [185]3 years ago
4 0
The answer is never true
kirill [66]3 years ago
3 0
The answer to this is never true
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Every positive number has two square roots , a principal square root and its _____?
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Definition: <span>The square root of a number is another number, which on multiplying with itself, will give the original number.
</span>
Every positive number has two square roots. One square root is positive, while the other is exactly same, but negative. The positive square root of a number is called its principle square root. For example, 10 and -10 are the two square roots of 100, but 10 is called the principle square root. 

Hence e<span>very positive number has two square roots , a principal square root and its opposite negative.</span>
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3 0
3 years ago
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