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

What happened between 1820 and 1914? What was this called?
Find the equation of the line that is perpendicular to the given line and passes through the given point. Enter your answer in slope intercept for (y=mx+b) with
The Dutch East India Company made quite a profit in the New World--for a while. However, it was never able to increase its earnings enough to compete with the K
Booker T. Washington pushed for equality immediately True False
The average a of two numbers c and d is equal to half the sum of c and d.
plzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Please help! It's an image. The functionf(x)is shown in the graph. What is the equation forf(x)? Enter your answer in the box. f(x)=
What deviant behavior have you done?​
What is the value stored at x, given the statements: int x; x=3/(int)(4.5+6.4) a. 0.3 b. 0 c. .275229 d. 3.3 e. None of these
role of ICT in communication​