Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

  
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

12,761 questions

17,393 answers

1,428 comments

33,429 users

Help me please!

0 votes

http://s1039.photobucket.com/user/dani_doll98/media/IMG_7979.zpsthqno5ap.jpg.html?o=2

http://s1039.photobucket.com/user/dani_doll98/media/IMG_7978_zpsbnmgzi3z.jpg.html?sort=3&o=3

Thank you so much

the first link will say the image was removed.. its not. just keep clicking to the left and it will say question 2!

asked Feb 10, 2016 in GEOMETRY by Doll_girl98 Novice
edited Feb 10, 2016 by Doll_girl98

2 Answers

0 votes

(1)

Step 1:

From the figure:

The points are image, image and image.

image.

image.

Since both image and image lie in the plane, their cross product image is orthogonal to the plane.

Find the cross product of image and image.

image

image

image

image.

Step 2:

The equation of the plane passes through the point image and normal vector image is image.

The plane passes through the point image and normal vector image.

image

image

image.

The equation of the plane is image.

Solution:

The equation of the plane is image.

answered Feb 10, 2016 by Sammi Mentor
0 votes

(2)

The height of the person is .

The shadow of the person is .

The distance between person to the flagpole is .

Find height of the flag pole.

Consider the height of the flag pole is image.

Draw the related diagram:

From the diagram:

In image, image.

In image, image.

By similar triangle property:

image

image

image

image

image.

The height of the flag pole is image.

answered Feb 10, 2016 by Sammi Mentor
edited Feb 10, 2016 by Sammi

Related questions

asked Nov 1, 2015 in GEOMETRY by anonymous
asked Jan 19, 2017 in ALGEBRA 2 by anonymous
...