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smolemily
26.10.2019 •
Mathematics
In the diagram, the length of yz is twice the length of az.
ya is an altitude of δxyz. what is the length of ya?
a) 5 units
b) 10 units
c) 15 units
d) 20 units
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Ответ:
Ответ:
B, 5
Step-by-step explanation:
Alright. I'll try my best to explain how I got the awnser.
Ussualy, you square root a number, not cube root it. When you square root a number, you find the square of the number.
Ex: sqrt 25=5 The square root of 25 is 5, meaning that if you mutiplied 5 by 5, it would be 25.
Cube root is different. You want to find the cube of a number. Its the same as a square root, except you want to mutiply a number by itself 3 times, not two.
Ex: sqrt 8=2 2 times 2 times 2 is 8.
Problem:
sqrt 125=5 since 5 times 5 times 5 is 125.
Hope this helps!