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Katen [24]
3 years ago
12

I need help with number 3

Mathematics
1 answer:
Sauron [17]3 years ago
5 0

Answer:

5√3 or

8.66 to the nearest hundred.

Step-by-step explanation:

Length of each line of the triangle = 30/3 = 10.

The altitude, side and 1/2 base make a right triangle.

So by Pythagoras:

10^2 = 5^2 + h^2   where h = altitude.

h^2 = 100 - 25 = 75

h = √75 = 5√3.

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