What information do you need to find the area of a triangle using trigonometry?
1 answer:
Formula of the area of triangle A=(1/2)a*b*sin(C) a, b - sides C- an angle between sides a and b. Probably, this question means that you need to know sin of the angle.
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credit line but this is more of business not a math subject btw
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Step-by-step explanation:
Let the number be x,
2x+4 = 3x-7
Collect like terms
2x-3x= -4-7
-x =. -11
Multiply both sides by -1
x. =. 11
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I know my math and your answer is going to be A.
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Step-by-step explanation:
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20
Step-by-step explanation:
x+2x+x+10=90
4x=80
x=20
give brainliest please