jennn03 jennn03
  • 03-02-2017
  • Mathematics
contestada

if two angles of a triangle have measures of 20 and 40 degrees, what is the measure of the third.

Respuesta :

ryanwolski5 ryanwolski5
  • 03-02-2017
The sum of all angles in a triangle is 180.

AngleA+AngleB+AngleC=180
20+40+AngleC=180
AngleC=120
Answer Link
BraedenG
BraedenG BraedenG
  • 03-02-2017
All 3 angles must add up to 180. So 40 + 20 = 60. Subtract that from 180 and you get 120. There is your answer
Answer Link

Otras preguntas

simplify : 81s^2/36s^2
Select the product of (7x - 2)(7x + 7).
what is 16,700,000,000,000,000 estimated as the product of a single digit and a power of 10
How do you derive the drift velocity equation (I = nAve)?
Write a newspaper headline about the Boston tea party from the points of view of a loyalist and a patriot. Explain your headlines.
Simplify (7-8i)+(-12-4i)
what is 16,700,000,000,000,000 estimated as the product of a single digit and a power of 10
Help me on this question plz plz
How do round, spiral, and rod-shaped bacteria look like?
write the ratio as a fraction in simplest form. 16ft to 6yd