X=60° (equilateral triangle)
y=120°
Working: (360°-120°)/2
Answer:
y = 3x
Step-by-step explanation:
Given
9x - y = - 6x + 4y ( subtract 4y from both sides )
9x - 5y = - 6x ( subtract 9x from both sides )
- 5y = - 15x ( divide both sides by - 5 )
y = 3x
Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation
<span>Find the volume of a cone if the slant height is 50 in and the diameter is 80 in
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V≈52359.88<span>
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