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

Which situation is modeled by the graph? A.) the height of a jump rope being used over time B.) the height of an elevator over time C.) the height of a commuter

Neuroimaging data show that neuronal activity in the amygdala of depressed patients is:

what is the answer to g(x)=(x+2)^2-4.

celso is reading Loius Lowry's The Giver, which is 180 pages long. Celso reads 30 pages, on average, each hour. To model the number of pages he reads over time.

One characteristic of a lagoon is often

PLZ HELP!What is the slope of the line represented by the equation 9x-2y=13? (answer needs to be in fraction form!)Will also give brainliest for who ever shows

Choose a movie that fits the genre and write a 3-4 sentence justification of why that film fits in this genre. The genre is Historical Fiction.

A jar contains 12 red marbles numbered 1 to 12 and 4 blue marbles numbered 1 to 4. a marble is drawn at random from the jar. find the probability of the given e

What does the crown of thorns starfish eat?

How do you solve this problem?