poojarayanki poojarayanki

05-04-2018
Mathematics

contestada

Given: ABCD is a trapezoid, AB = CD, BK ⊥ AD, AK = 10, KD = 20
Find: BC AD

Respuesta :

Professor1994 Professor1994

14-04-2018

AK=10; KD=20
AD=AK+KD
AD=10+20
AD=30

Like AB=CD this trapezoid is symmetric, then if we draw CL ⊥ AD:
LD=AK→LD=10
BC=KL=KD-LD=20-10→BC=10

Answers:
BC=10
AD=30

Ver imagen Professor1994

Answer Link

Otras preguntas

-3(4v+1)-3(2v+3) how do you simplify

Solve by substitution X+3y=1 and -3x-3y=-15

Mark if the statement about Benin is correct. A. Benin City was the well-organized capital of Benin. B. Benin dominated the rain forest and the coastal regions

the precipitation, average temperatures, and temperature changes in a an area make up the of that area

Help! Donovan runs about 2.5 miles each day. In 3 weeks, about how many miles does he run?

what is the affect of increasing the water's mass?how does it reflect it's temperature?

How does the U.S. Constitution reflect the principle of democracy? It creates a republic government, which is the same as democracy. Most of the people can elec

~ALGEBRA! PLEASE HELP!~ Austin is climbing on a ladder that is attached against the side of a jungle gym wall. He is 5 feet off the ground and 3 feet horizontal

I will be so Thankful! Choose the sentence that uses correct capitalization. Tangela attends Hunter Junior High School and plays on the Basketball Team. Tangela

9^x=27^(x+2) how do I do that? I don't get how to do it with different bases