evilsonic131 evilsonic131
  • 01-02-2017
  • Mathematics
contestada

What is the measure of angle A in the triangle?

What is the measure of angle A in the triangle class=

Respuesta :

hap092002
hap092002 hap092002
  • 01-02-2017
The measure of angle A is 50 degrees.
2x-10+x+30+70=180
3x+90=180
    -90   -90
3x=90
x=30

2(30)-10
60-10
50
Answer Link

Otras preguntas

What are the two qualities that a medicine must possess?
A circle has a radius of 4 meters and a central angle AOB that measures 120°. What is the length of the intercepted arc AB? Use 3.14 for pi and round your answe
is a charge of 5.8×10^-18 is possible
What is the number of wavelengths that pass a fixed point in a second?
With a mother that is colorblind and a father that is not colorblind, what is the probability that a male child is colorblind? A. 0 B. 1/4 C. 1/2 D. 1
True or false horizontal lines always have a slope of zero
I need to know the answer to this screenshot
Which primary source document could help a historian understand why the Civil War started?
Adapting and using formulas
How many pennies are eqivalent to 9 quarters