15. Solve for the valueofx in-RSTU.
A.7
B.6
C.5
D.4
REPORT MALI
BRAINLIEST TAMA
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15. Solve for the valueofx in-RSTU.
A.7
B.6
C.5
D.4
REPORT MALI
BRAINLIEST TAMA
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C.5
The sum of the interior angles of a quadrilateral is 360°.
Substitute ZRUT14x, ZRST = 70°, ZSRU = 110%, ZSTU (23x 5) into ZRST + ZSRU+ ZRUT + ZSTU = 360°
70° +110° +14x + (23x-5) = 360
× = 5
solution: in STUR,
LS+ LT LU + LR = 360° ( angle sum properly)
70 + 23x - 5 + 14x + 110 = 360°
37x + 175 = 360 degrees 37x 360-175 = 185°
x² 185 5 } cancel 185 and 37
37
x = 5
LT = 23x-5 = 23x5-5 110
LU = 14 = 14x5 ≠ 70
Sana tama