Answer:
7 cm
Step-by-step explanation:
An equilateral triangle has all sides equal.
To find the measure of the side, simply divide the perimeter by 3. This is because a triangle has 3 sides.
21 ÷ 3 = 7
Depends on how many stickers each girl has.
Answer:
Step-by-step explanation:
Let and
<u>Determine slope</u>
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<u>Use either ordered pair to find the y-intercept</u>
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<u>Final equation</u>
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The point slope form is y - y2 = m(x - x2)
Hope I helped