fatstarrlouise fatstarrlouise
  • 11-05-2018
  • Mathematics
contestada

Suppose angle A is complementary to angle B, and angle B is supplementary to angle C. If measure of angle A is 21 degree, find measure of angle C.

Respuesta :

MrGumby
MrGumby MrGumby
  • 17-05-2018
C = 111 degrees

Since A and B are complementary they add to 90. So we know that B must be 69 degrees. 

Since B and C are supplementary they add to 180. So we know that C must be 111. 
Answer Link

Otras preguntas

find the difference between 12.34 and 10.778. round the answer to the nearest tenths place
does the speedometer of a car read average speed or instantaneous speed?
An oil tanker empties at 3.5 gallons per minute. Convert this rate to cups per second. Round to the nearest tenth.
what events led to a conflict between the Jamestown settlers and the powhatan confenderacy
How much does the element Radon cost per pound
What can be what is the answer to 49 divided by ? = ? But the answer cannot be 7
Does any body know 2v+7=3
simplify this expressionn-10+9n-3
Describe the next figure in each pattern. Then draw the figure
Is 0.500 greater than 0.50 and 0.5. explain please.