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In quadrilateral QRST, angle rst measures (5x + 15)o. Angle TQR measures (4x + 3)o. What is the measure of angle RST?

In quadrilateral QRST, angle rst measures (5x + 15)o. Angle TQR measures (4x + 3)o. What is the measure of angle RST?
asked 215k views
4 votes
In quadrilateral QRST, angle rst measures (5x + 15)o. Angle TQR measures (4x + 3)o.

What is the measure of angle RST?

In quadrilateral QRST, angle rst measures (5x + 15)o. Angle TQR measures (4x + 3)o-example-1
asked
User Dave McClelland
by
7.5k points

2 Answers

5 votes

Answer:

c: 105°

edge 2022

answered
User FredTheLover
by
8.8k points
3 votes
2(5x + 15) + 2(4x + 3) = 360
10x + 30 + 8x + 6 = 360
18x = 324
x = 18

so

RST = 5x + 15 = 5(18) + 15 = 105

answer

RST = 105 degree
answered
User Raphael Laurent
by
8.5k points
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