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Multiple choice!!!!!!!!!!!!!!!!!! Find the value of x. The diagram is not to scale. Question 6 options: x = 15 none of these x = 60 x = 21

Multiple choice!!!!!!!!!!!!!!!!!! Find the value of x. The diagram is not to scale. Question 6 options: x = 15 none of these x = 60 x = 21
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2 votes
Multiple choice!!!!!!!!!!!!!!!!!!

Find the value of x. The diagram is not to scale.


Question 6 options:

x = 15

none of these

x = 60

x = 21

Multiple choice!!!!!!!!!!!!!!!!!! Find the value of x. The diagram is not to scale-example-1
asked
User FlySwat
by
8.2k points

2 Answers

0 votes

Answer:

x = 21 i took the test

answered
User ProteinGuy
by
7.1k points
4 votes
By the external angle theorem

5x = (5x - 30) + m < RST

m < RST = 5x - 5x + 30 = 30

also m < STR = m < SRT = 5x - 30

So as there are 180 degrees in a triangle:-

5x - 30 + 5x - 30 + 30 = 180

10x = 180 +30+30-30 = 210

x = 21 answer
answered
User Kim Burgaard
by
8.2k points
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