meerkat18
meerkat18 meerkat18
  • 14-12-2016
  • Mathematics
contestada

A ramp form the angle shown at the right what are the values of a and b?

A ramp form the angle shown at the right what are the values of a and b class=

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 20-12-2016
a = 90 + 72 = 162 degrees
b = 180 - 162 = 18 degrees.
Answer Link
Kunchan
Kunchan Kunchan
  • 21-12-2016
Total value of the inner angle is 180
So
b + 90 + 72 = 180
b = 180 - 162
b = 18

But 
a + b = 180
a + 18 = 180
a = 162
Answer Link

Otras preguntas

3. Which of the following are the roots of the quadratic function below? Select all that apply. f(x) = x2 - 144 12 2
A copy machine makes 171 coies in 4 minutes and 45 seconds. How many copies does it make per minute?​
Fysical suo A young girl is on a swing that completes 20.0 cycles in 25 seconds. What are its frequency and period?
simplify that equation
help please help me with all of it I don't know nothing. bless ur hearts ​
I dont understand how to answer this. I tried to find the second derivative. ​
How does chemical weathering differ from mechanical wheathering
Find the distance between the coordinates (0, 4) and (10,4) and write the result in the empty box. Please answer you get 10 points!!!!
I dont understand how to answer this. I tried to find the second derivative. ​
Why was the building of canals, such as the Erie Canal, vital to economic growth in the United States in the nineteenth century? Group of answer choices Canals