3 years ago

In quadrilateral QRST, angle rst measures (5x + 15)o. Angle TQR measures (4x + 3)o.

Mathematics

2 answers:

Allushta [10]3 years ago

6 0

The correct answer is 105 degrees

sattari [20]3 years ago

4 0

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

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