the angles of a triangle are arranged in ascending order of magnitude. if the difference between two consecutive angles is 10°, find all three angles.
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50,60&70 are the three angles
tanya8275:
can u write the method
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the all angles in Ap
so we let all angle is respectivly (a-d)(a) and (a+d) the difference between angle is 10 dergee is d so
a-d+a+a+d=180
3a=180
then a=60
now angle is (60-10) ,60,(60+10)
so angle is 50°,60°,70°
so we let all angle is respectivly (a-d)(a) and (a+d) the difference between angle is 10 dergee is d so
a-d+a+a+d=180
3a=180
then a=60
now angle is (60-10) ,60,(60+10)
so angle is 50°,60°,70°
tnx
wlcm
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