13-03-2017
Mathematics

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if x=34° find the measures of angles 1,2,3

if x34 find the measures of angles 123 class=

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apologiabiology apologiabiology

13-03-2017

angle 2=90 degrees
angle3=angle1
x+angle1=90 degrees

so

x=34

34+angle1=90
minus 34 both sides
angle1=56 degrees=angle3

angle1=56°
angle2=90°
angle3=56°

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JoshEast JoshEast

13-03-2017

If x = 34°

then ∡ 1 = 90° - 34°
= 56° (since the sum of the angles of a right angle is 90°)

∡ 3 = 180° - (90° + x)
= 180° - (90° + 34°)
= 56° (since angles on a straight line add up to 180°)

∡ 2 = 90° (since the angle opposite to it is 90°)

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