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

HELP! 50 POINTS Explain why so much tornado activity occurs in the spring season in the Great Plains region of the United States. Be sure to describe the weathe

3x6/8 pls answerrrrr

How many thirds are in 1/3?

Work environment includes physical and social aspects of work. true or false

Multiply. Express your answer in standard form.(x^2-4x+3)(-3x^2+7x-1)

A line contains the points (a,b) and (a+3,b+3). Find the equation of the line in terms of a and b in point slope form and then convert it to slope intercept for

Try to solve this1.)3u+z=15 u+2z=102.)2a+2x=18 a+3x=17

Which of the following should you expect during a physical? Question 2 options: Height and weight measurements Blood pressure check Discussion on emotional heal

Which factor contributed most to the beginning of World War 1?

What is the 101st term in the sequence 997, 989, 981, ...? 197 189 1805 1797