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13 votes
13 votes
20. If m∠VSR = 8x + 18, find the value of x so that '''' ⊥ ''''. A 9 B 12.25 C 72 D 90

20. If m∠VSR = 8x + 18, find the value of x so that '''' ⊥ ''''. A 9 B 12.25 C 72 D-example-1
User Yelena
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1 Answer

13 votes
13 votes

Take into account that if US ⊥ VS, that is, if US and VS are perpendicular, then, angle

Then, based on the algebraic expression for

m

8x + 18 = 90 subtract 18 both sides and simplify

8x = 90 - 18

8x = 72 divide by 8 both sides and simplify

x = 72/8

x = 9

Hence, the value of x is 9

User Mohammed Deifallah
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