2934715
2934715 2934715
  • 03-05-2021
  • Mathematics
contestada

plz help its due today and i don't understand its asking for the measurement of angle DEF

plz help its due today and i dont understand its asking for the measurement of angle DEF class=

Respuesta :

warriorprincess19
warriorprincess19 warriorprincess19
  • 30-06-2021

Step-by-step explanation:

4x+3x-5+2x+5=180 (to find x)

9x=180

x=20

Therefore DEF=AEC(vertically opposite angles are equal)

AEC=DEC

=4x +3x-5

=4(20)+3(20)-5

=135°

Answer Link

Otras preguntas

calculate the speed for a car that went a distance of 125 kilometers in 2 hours time
If DE = 37 cm and EF = 16 cm, then what are the possible lengths for DF so that DE,EF, and DF can form a triangle? Explain your reasoning.
what is the solution of the graph?
What is the equation of the line that passes through the point (6,-7) and has a slope of -3/2
Give an example of an infinite non abelian group that has exactly six elements of finite order
How can a natural event such as a volcanic eruption affect biodiversity? Erupting volcanoes emit gases such as sulfur dioxide into the atmosphere. Sulfur dio
Lisa ordered 3 balls of yarn, for a total of 717.3 meters of yarn. How many meters of yarn did each ballon contain?
What are the 8 social classes of civilization
Olivia is conducting research about the history of voting rights in the United States. Which source on her list is the most credible source? a political blog
Six moles of an ideal gas are in a cylinder fitted at one end with a movable piston. the initial temperature of the gas is 27.0c and the pressure is constant. a