kkruvc
07.11.2019 •
Mathematics
The perimeter of a triangle below is 4x+3y. find the measure of the missing side. (one side is x-y, the other is x+y)
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Ответ:
P = 2X + 3Y
Step-by-step explanation:
Perimeter of a triangle is the sum of its three sides, so:
P is the side to find
4x + 3y = (X-Y) + (X+Y) + P
We can to eliminate -y and y, so:
4x +3y = 2X + P
Reducing terms:
4x - 2x + 3y = P
P = 2X + 3Y
Best regards
Ответ:
Cos (5π/3)
Cos (π/6)I think this one