momnaasghar005 momnaasghar005

26-01-2020
Mathematics

contestada

AB is parallel to CD.
AB = BC∠ BCD = 20°.
Work out x explaining each stage of your working in the comment box.

DIAGRAM IS NOT TO SCALE

AB is parallel to CD AB BC BCD 20 Work out x explaining each stage of your working in the comment box DIAGRAM IS NOT TO SCALE class=

Respuesta :

devishri1977 devishri1977

26-01-2020

Answer:

Step-by-step explanation:

∠ABC = ∠BCD { AB // CD; BC TRAVERSAL, alternate angles are equal}

∠ABC = 20

∠BCA = ∠BAC {angles opposite to equal sides are equal}

∠BCA = ∠BAC = x

x + x + 20 = 180

2x = 180 - 20

2x = 160

x = 160/2

x = 80

Answer Link

Otras preguntas

What colored peppered moths appeared in larger numbers during the early 1900s?

While starting a Greek project on pottery how would I start as I was on a news teem? The assignment was to make a news broadcast with a group.

Write a sentence with the word hypocritical

Regarding use of the media, spin can best be defined as A. meaningless arguments. B. casting a positive light on negative facts. C. arguments based on emotion r

draw a figure that is less than 1/6?

A major reason for the emergence of a consumer culture in the 1920s was that?

how does the structure of the office of the president help fulfill the office's role?

how do you write 1.21 as fraction, when .21 is continuing?

The bank offered a 0.6% interest rate. find 0.6% of $1300........ (Help pls :( )

Julie works 1/12 hours/dollar. Write a one or two-sentence explanation of what this rate means. Use this rate to find how long it takes for Julie to earn $228.