What is the side of equilateral triangle is altitude is 10
1 answer:
Answer:
11.55
Step-by-step explanation:
An equilateral triangle is one which all it sides are equal.
10cm altitude means the height is 10cm.
Using Pythagoras theorem,
x² = 10² + (x/2)²
Assume that the side of the triangle is xcm
x² - x²/4 = 100
3x²/4 = 100
x = √(400/3)
x = 11.55cm
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5.5
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answer
<span>b. 9</span>
Step-by-step explanation:
the range is the biggest number subtracted by the smallest 23-(-11)= 34
