Given: angle 2= 55° and 3=80°. What is angle 4?
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given : angle 2 = 55 °
angle 3= 80°
to find : angle 4
solution : sum of measures of angles of a triangle is 180°
angle 2 + angle 3+ angle 4= 180
55+ 80 + angle 4 = 180
135 + angle 4 = 180
angle 4 = 180-135
= 45°
angle 3= 80°
to find : angle 4
solution : sum of measures of angles of a triangle is 180°
angle 2 + angle 3+ angle 4= 180
55+ 80 + angle 4 = 180
135 + angle 4 = 180
angle 4 = 180-135
= 45°
Answered by
3
angle2 +angle3+angle4=180°
55+80+angle4 =180
135 plus angle 4 =180
angle4=180-135
angle 4=45°
55+80+angle4 =180
135 plus angle 4 =180
angle4=180-135
angle 4=45°
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