Marie pays $2.50 for 5 pecils. Use the drop down menu to explain how to determine and use constant of proportionality, in dollar
1 answer:
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Answer:
Option B.
Step-by-step explanation:
It is given that the sides of an equilateral triangle are 8 units long.
Draw an altitude of the triangle.
Altitude of an equilateral triangle is perpendicular bisector.
Let x be the length of the altitude of the triangle.
According to the Pythagoras theorem
Using Pythagoras theorem we get
Taking square root on both sides.
The length of the altitude of the triangle is 4√3 units.
Therefore, the correct option is B.
