VantabIack VantabIack
  • 03-10-2020
  • Mathematics
contestada

The following triangle is isosceles. Find the measure of angle EFD.

Options:

28 degrees
44 degrees
20 degrees
36 degrees

The following triangle is isosceles Find the measure of angle EFD Options 28 degrees 44 degrees 20 degrees 36 degrees class=

Respuesta :

fairytinker92
fairytinker92 fairytinker92
  • 03-10-2020

Answer:

44°

Step-by-step explanation:

Because the triangle is isosceles, 4x+20 and 8x-4 would be equal

4x+20 = 8x - 4

4x + 20 - 4x = 8x - 4 - 4x

20 = 4x - 4

20 + 4 = 4x - 4 + 4

24 = 4x

x = 6

m∠EFD = 8x - 4

m∠EFD = 8(6) - 4

m∠EFD = 48 - 4

m∠EFD = 44°

Answer Link

Otras preguntas

How do you solve p+9 <7 AND graph it???
Which statement accurately describes the Battle of Marathon?   A. Athens fought alone against Darius's army and decisively defeated the Pers
During the Renaissance, along with the importance of God, who else did people had value?
Solve the equation:  4 1/5 + b = 9 3/5
Which is a solution to the equation y=5x-6
What Is a Zionist? Please help me :)
How did the aboriginals people heal themselves before Europeans arrives?
How do I factor 2y^2 - y - 10
Solve by elimination:4x+7y =8-8x -14y= 5
How do you solve p+9 <7 AND graph it???