ponytailtrouble4782 ponytailtrouble4782
  • 15-01-2020
  • Mathematics
contestada

in triangle abc b is a right angle and a is 20 degrees greater than

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surjithayer10otahza surjithayer10otahza
  • 15-01-2020

Answer:

Step-by-step explanation:

let ∠c=x

∠a=x+20

∠a+∠b+∠c=180

x+20+x+90=180

2x=180-110=70

x=35

∠c=35°

∠b=90°

∠a=35+20=55°

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