Please do Question no. 11 and 12 na I am wating
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11)measures of those angles are 2x+3x+4x=180
because some angles of triangle is 180 degree
9x=180
X=20°
2x=40°
3x=60°
4x=80°
12)in right angle triangle the sum of acute angle is 90 degree
suppose the measure of low acute angle is X
degree
other angle is twice the smaller =2x
according to condition
X+2x=90
3x=90
X=30°
2x=60°
is measure of those angle is 30 degree and 60 degree
because some angles of triangle is 180 degree
9x=180
X=20°
2x=40°
3x=60°
4x=80°
12)in right angle triangle the sum of acute angle is 90 degree
suppose the measure of low acute angle is X
degree
other angle is twice the smaller =2x
according to condition
X+2x=90
3x=90
X=30°
2x=60°
is measure of those angle is 30 degree and 60 degree
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