solve this question. number 4
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let the unknown angles be 2x and 3x
2x+3x=100( exterior angle property)
5x=100
x=100/5
x=20
2x=2×20=40
3x=3×20=60
To find all angles of the triangle
40+60+x=180(angle sum property of triangle)
x=180-100
x=80
therefore the measure of all angles of triangles are 40,60 and 80
2x+3x=100( exterior angle property)
5x=100
x=100/5
x=20
2x=2×20=40
3x=3×20=60
To find all angles of the triangle
40+60+x=180(angle sum property of triangle)
x=180-100
x=80
therefore the measure of all angles of triangles are 40,60 and 80
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