if two adjacent angles of rhombus are(5x+20 degree) and (3x-8degree) ,then find all the angles of the rhombus
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if two adjacent angles of rhombus are(5x+20 degree) and (3x-8degree) ,then find all the angles of the rhombus
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Answer:
sum of adjacent angles= 180 (co interior angle property)
5x+20+3x-8=180
(5x+3x)+20-8=180
8x+12=180
8x=180-12
8x=168
x=168/8
x=21
1st angle= 5x+20= 5×21+20=125°
2nd angle=3x-8=3×21-8=55°