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

What important decisions had to be made concerning the fate of the seceded states and the rights of those freed from slavery?

the senate refusing to ratify a treaty, the president vetoing a law, and the senate rejecting the nomination of a Supreme Court justice are all examples if

The rise of China's naval power under Admiral Cheng-Ho occurred during the _______ dynasty

Identify two different habitats in a prairie ecosystem.Name one organism found in each habitat.

People flocked to California to fulfill the _________.

Milwaukee is 121 mi (air miles) due west of Grand Rapids. Maria drives 255 mi in 4.75 h from Grand Rapids to Milwaukee around Lake Michigan. Find her average dr

what were the cultural exchanges between the native American civilizations and the European settlers?

The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?

Amphibians can breathe through their skin. True False

How did European affairs complicate the internal political and diplomatic problems of the new country (US)?