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5 votes
The measure of arc QS is (4x – 18)°.

What is the value of x?

40.5
49.5
94.5
180



ANSWER IS 49.5

2 Answers

5 votes

Answer:

49.5

Explanation:

The measure of arc QS is (4x – 18)°. What is the value of x? 40.5 49.5 94.5 180 ANSWER-example-1
User Sam Brinck
by
7.6k points
5 votes

Answer:

Option B. 49.5 degrees

Explanation:

Given that arc QS measures 4x-18

Arc QS is a semicircle and hence subtended angle by semicircle at the centre is 180 degrees.

Use this to find the value of x

4x-18 = 180 degrees

Add 18 to both sides

4x=198

Divide by 4

x =198/4 =49.5

So answer is option B

49.5 degrees

User Tonisives
by
8.2k points

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