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

mary walked 2.1 hours along part of the trans canada trail at a speed of 3.6 km. what distance did mary travel

Which of the following measurements has three significant figures a. 0.0293 kg b. 0.94 A c. 5.321 V d. 10.42 m

Escriba los números racionales que corresponden a los puntos A, B, C, D y E que están representados en la recta numérica.

"The Stench of hold.. was so intolerably loathsome, that it was dangerous to remain there for any time ... The closeness of the place, and the heat of the clima

People were surveyed about the types of pets they own and their housing situation. Each person has only one pet. For people who live in a condo, what is the rel

Solve for w 5w.+ 36° Зw

Use Darwin's theory of Natural Selection to explain the process by which the four-legged land animal, A, may have evolved, over about 20 million years, from the

Name the nefrence angle to 7pi/2

Find angle y and choose answer for brainlest

What event was the New Deal a reaction to?