montgomeryj
montgomeryj montgomeryj
  • 14-07-2017
  • Mathematics
contestada

What is the measure of a base angle of an isosceles triangle if its vertex angle measures 40°?
a) 70°
b) 65°
c) 140°
d) 75°

Respuesta :

reant
reant reant
  • 14-07-2017
Hello,
The sum of the angles or any triangle is always going to be 180°
So if the vertex angle is 40°, then each base angle is:
180 = 40 + 2x
x = (180 - 40) / 2
x = 70°

The answer is A.

Bye :-)
Answer Link
Flydog41
Flydog41 Flydog41
  • 09-10-2020

Answer:

The Answer Is A. edge 2020

Step-by-step explanation:

Answer Link

Otras preguntas

Which is not a method used for changing the attitude of Employee = Performance appraisal
Which of the following is NOT caused by alcohol? A. Reduced concentration B. Inhibited comprehension C. Decreased coordination D. Increased heart rate
Which country has the most diversified economy in the Middle East? Options are: Turkey, Saudi Arabia,
What is Madoff's crime? А. He robbed several banks. B. He accidentally lost investors money. C. He pretended to be someone he wasn't. D. He cheated people out
what happens in the metaphase
how was the Alabama protests boycott represent Martin luther king jr.s commitment to nonviolence​
What is the solution for the equation? 8 2 a = 2 8​
Which of the following is not a question normally asked by map makers before they design a new map?
What is the mood of the passageA. seriousB.suspensefulC.nonchalantD.playful​
help please. oh i need it