One angle of a right angle is 30°. Write the other two angles of the triangles.
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One angle of a right angle is 30°. Write the other two angles of the triangles.
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Answer:
60°
Explanation:
Given Angle = 30°
Right angle =90°
Total angle sum of a triangle=180°
Unknown angle = 180°-(90°+30°)
=180°-120°
=60°
Answer:
one angle is 60 & second one is 90
Explanation:
180 = angle a + angle b + angle c
180 = 30 + b + c
180 = 30 + 90(right anglel) + c
180 = 120+c
c=180-120
angle c = 60