find the value of a ? exterior is 25° esterior is 35° find a ?
Attachments:
Answers
Answered by
0
145°+25°+angle bdc=180°( angle sum property of triangle)
170°+bdc=180°
bdc=180°-170°= 10°
bdc+a=180°(linear pair)
10°+a=180°
a=180°-10°
a=170°
exterior angle of any triangle is equal to the sum of opposite angle
Similar questions