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

Consensus allows group members to agree to disagree and come to a decision with a majority vote. true or false.

Which part of a solution is dissolved? (1 point) A. solvent B. mixture C. solute D. compound

Diana drew the scale drawing of her room as shown below. If 3 centimeters on the scale drawing equals 4 feet, what is the equal length of Diana room. length= 9

The weight of an object on mars is about 2/5 its weight on earth. how much would an 80 1/2 pound dog weigh on mars?

Diana drew the scale drawing of her room as shown below. If 3 centimeters on the scale drawing equals 4 feet, what is the equal length of Diana room. length= 9

Show how to make a ten to solve 13-7

I need help answering both of these question. Most helpful and quickest gets the brainliest answer! :D

On a piece of paper, use a protractor to construct a triangle with angle measures of 60° and 80°. Select from the drop-down menu to correctly classify the tria

Technology and diamond cutting are examples of ________________.

A system of government intervention to promote national prosperity and to increase the power of the country is called what