Angle QRT is an exterior angle to the triangle. The rule is that the exterior angle of a triangle is equal to the sum of its remote interior angles. Those remote interior angles are angle RTS and angle TSR. So our equation is $9x=(5x)+(9+x)$ . We can remove the parenthesis and simplify by combining like terms to get 9x = 5x + 9 + x and 9x = 6x + 9 and 3x = 9. That means that x = 3.

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3 years ago

Please help me find the length width and area

Lisa [10]

I would say that the length would be 2 inches, the width to be 6 feet and the area to be 144. I would say this because in order to find the area, you would need to convert 6 feet into inches. There are 12 inches in a foot. So it would be 72 inches. In order to find area you multiply the length by the width. So it would be 72 time 2, this is equal to 144. Hope this helps :)

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2 years ago

Read 2 more answers

Find the roots of the polynomial equation x^3+2x^2+3x+6=0

rodikova [14]

Answer: x=−2

Step-by-step explanation:

x^3+2x^2+3x+6=0

(x+2)(x^2+3)=0

x+2=0 or x^2+3=0

x=−2

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