aniya132435
aniya132435 aniya132435
  • 22-12-2020
  • Mathematics
contestada

Find the measure of angle A.
80°
10x - 5
10x + 5

Respuesta :

unicorn3125
unicorn3125 unicorn3125
  • 24-12-2020

Answer:

          45° or 55°  {you didn't say which one is A}

Step-by-step explanation:

10x - 5° + 10x + 5° + 80° = 180°

20x = 100°

x = 5°

10x - 5° = 10×5° - 5° = 45°

10x + 5° = 10×5° + 5° = 55°

Answer Link

Otras preguntas

Describe how to use a tens fact to find the difference for 15-8
A candle is 10 in. tall after burning for 2 hours. After 3 hours, it is 8.5 in. tall. How tall will the candle be after 6 hours? 22 in. 2 in. 1.5 in. 4
Answer this question show steps plzzzz
Which type of essay does not require that you examine and analyze secondary source documents? a) DBQ essay B) free response essay C) globally thinking essay D)
What was the significance of The Battle of Gettysburg?
Complete the square: x^2 + 2x - 3 = 0
simplify ln64-ln8/ln2
a statement that is proved by deductive logic is called a ______. defined term undefined term postulate theorem
5(6+3r)+7 is greater than or equal to 127
A monohybrid cross is made between plants that _____. have experienced only one hybrid generation differ in only one trait are identical are self-pollinated