elijahvavilin
elijahvavilin elijahvavilin
  • 13-03-2019
  • Mathematics
contestada

Given that ABCD is a rhombus, what is the value of x?

A. 28
B. 56
C. 48.5
D. 18
E. 36
F. Cannot be Determined

Given that ABCD is a rhombus what is the value of x A 28 B 56 C 485 D 18 E 36 F Cannot be Determined class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 13-03-2019

Answer:

  D.  18

Step-by-step explanation:

∠DAC ≅ ∠BCA and the diagonals cross at right angles, so the two marked angles are complementary.

  (5x -18) +x = 90

  6x = 108 . . . . . . . . . simplify, add 18

  x = 18 . . . . . . . . . . . divide by 6

Answer Link
nicolagesumaria nicolagesumaria
  • 20-05-2021

Answer:

18

Step-by-step explanation:

Answer Link

Otras preguntas

Jake has a 1 in 5 chance of winning the egg and spoon race. What is the probability that he will not win the race?
Find the equation of a line that is parallel to the line y = 3x and contains the point (1, -2). e y=(Type your answer in slope-intercept form.) st
Write a letter to my teacher about me
How did the Emancipation Proclamation and the Gettysburg Address redefine the Declaration of Independence?
What is evidence-based policing? What potential does it hold for managing police organizations in the future?
Please help :D <3. Do not understand this one.
Suppose f(x)=4x-2 and g(x)=-2x+1. Find the value of f(5)/g(-3)
8. Tonya is cutting square frame mats to frame several square photographs. She can determine the area of the mat from the function m{x) = x2 + 6x + 9, where x i
4. The signers of the declaration of independence knew that their announcement could mean war with powerful, well-equipped Britain. In your opinion, why isn't t
I need help now please