sabah17 sabah17

01-06-2018
Mathematics

contestada

abcd and efg are parallel lines. BC=CF. Angle BFE=70°. work out the size of angle x with reasons

abcd and efg are parallel lines BCCF Angle BFE70 work out the size of angle x with reasons class=

Respuesta :

alarisaT alarisaT

01-06-2018

CBF = BFE (interior angles)
CBF = CFB = 70° (isosceles triangle, BC = BF)
CBF + CFB + BCF = 180° (summation of all angles in a triangle always equals 180°)
so we have : 70° + 70° + x = 180°
so x= 40°

Answer Link

Otras preguntas

HELP OMG PLS what equation describes a line that passes through (-1,8) (5,-2)

The body is composed of microscopic cells that are only visible if viewed under a a. microscope b. telescope c. nucleus

identification identify the object and the person below by completing the description with C'est or Il/Elle est.

How many days in 3 years

in an Arthemitic progression, if the common difference (d= -4) and the seventh term is 4 then find the first 3 terms

Yo te anoche. O A. llamo O B. llamaste O c. llamé O D . llamaron

In "The Story of Ruth," why does Ruth choose to leave Moab?

où sont-ils?Say that these people are in the places given.Modèle Ghislaine / au café Ghislaine est au café.1. les filles / en classe2. nous / à Paris3. vous / à

which air mass would produce warm,humid weather in the summer?

_____, developed by albert ellis, is a directive form of psychotherapy designed to challenge clients' irrational beliefs about themselves and others.