Measure of 3 angles of a triangle Are x,4x+10, 4x-10
Answers
Answered by
0
1st angle is 20
2nd angle is 90
3rd angle is 70
X+4x + 10+4x -10=180
9x=180
X= 20
Answered by
0
Step-by-step explanation:
x (4x+10)( 4x-10)= 180°
9x+10-10=180°
9x=180°
x=180/9
x=20
4x+10
4×20+10
80+10
=90°
4x-10
4×20-10
80-10
=70°
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