dozyhozy dozyhozy
  • 26-04-2021
  • Mathematics
contestada

PLEASE HELP PELASE
For ΔABC, the measure in degrees of angles A, B, and C are 60, 55, and x + 20 respectively. What is the value of x?

A.
65

B.
45

C.
95

D.
25

Respuesta :

raichintalasmriti raichintalasmriti
  • 26-04-2021

Answer:

B.45

Step-by-step explanation:

A sum of all angles in a triangle is 180°

55+60+x+20=180

60+55=115

180-115=65

65-20=45

Answer: 45°

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