What are the measures of angles a,b, and c? Show your work and explain your answers.
2 answers:
Answer:
c is 110 degrees
b is 70 degrees
a is 20 degrees
Step-by-step explanation:
for c, 180-70=110
for b, 180- angle c=180-110=70
for a, 180-90-angle b=180-90-70=20
Answer:
a = 35°
b = 55°
c = 110°
Step-by-step explanation:
Vertically opposite angles are equal.
a = 35° [Vertically opposite angles]
Sum of all angles of a triangle is 180°.
a + b + 90° = 180° [Angles of a triangle]
=> 35° + b + 90° = 180°
=> 35° + b = 180° - 90°
=> 35° + b = 90°
=> b = 90° - 35°
=> b = 55°
Linear pair of angles are supplementary.
c + 70° = 180° [Linear pair of angles]
=> c = 180° - 70°
=> c = 110°
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