In the right triangle, angle B equals 60° and AB equals 18How long is AC? I'm stuck!
1 answer:
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Answer and Step-by-step explanation:
We are told that AB is equal to 3x + 1.
BC is then half of AB, or .
AC is then 4 less than BC, or
To find the perimeter, we add all of these together.
3x + 3x/2 + 3x/2 = 6x
1 + 1/2 + (1/2 - 4) = -2
The final answer is 6x - 2.
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Answer:
☯
☥ Which pair of expressions represents the area of the rectangle?
☐ 2(x + 1) + 2 (4) and 2x +9
☐ 2(x + 1) +2 (4) and 2x + 10
☐ 4(x + 1) and 4x + 1
☑ 4(x + 1) and 4x + 4
☪
- Length of a rectangle ( L ) = 4
- Breadth of a rectangle ( B ) = x + 1
☪
- Pair of expressions which represents the area of the given rectangle
☪
❀
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Also , In 4 ( x + 1 ) , if we distribute 4 through the parentheses , it would be 4*x + 4*1 = .
Hence , the right answer is of last option { i.e 4 ( x + 1 ) and 4x + 4 } .
And we're done !
Hope I helped!!
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