Questions and Answers for # 10,11,12 and 13

10.Question: A parallelogram-shaped stripe is going to be painted on the wall of a daycare center. There is enough paint to make a stripe with an area of 9 m2. How high can the stripe be?
Answer: The height of the stripe can be 6 m. I got it by dividing 9 m to 1.5 m which the answer is 6 m.

11.A.)Question: With a ruler, measure the base and height of this parallelogram. Explain how you measured.
Answer: b= 1.5 cm , h= 2 cm. I measured the base by measuring the bottom part of the parallelogram which I got 1.5 cm. I measured the height by measuring the top to the bottom of the parallelogram which I got 2 cm.
B.)Question: What is the area?
Answer: The area of the parallelogram is 3 cm. How I got it is by multiplying b= 1.5 cm to h= 2 cm.
C.)Question: Use a different side of the parallelogram as the base. Determine the new height and calculate the area. How does this compare to your answer in b)?
Answer: I used the base as the height for B.) which I got 2 cm. I used the height as the base for B.) which I got 1.5 cm. Basically, I just change the position of the numbers which means that the parallelogram have 4 equal sides.

12.Question: Which of the two shapes shown below has a greater area? Explain your answer.
Answer: Shape A because the line is straighter or its more perpendicular to the base.

13.Question: The spring thaw has caused a rectangular section of the schoolyard to flood. A
parallelogram-shaped wooden walkway is being placed over it as shown. The area of the walkway is 22 m2. How wide will the base of the walkway be in meters?
Answer: 2 m. How did I got it? is by dividing 22 m to 11 m which is equal to 2 m.

Image:



http://www.mathgoodies.com/lessons/vol1/area_parallelogram.html I hope this link would help you practice more!

*SORRY I DON'T HAVE ANY VIDEO* :(

Parallelogram

Parallelogram- a four sided figure with opposite sides parallel and equal in length.

Note: Arrow means that the lines are parallel. ( one arrow is not same as two arrow)

[-] means that the lines are equal. ( one [-] is not equal with [=] )

Base- a side of a dimentional figure

- common symbol is "b"

Height- the perpendicular distance from the base to the opposite side

- common symbol is "h"

There are other kinds of parallelogram:

First is "rectangle"

Second is "square"

"Area of a Parallelogram"

Formula:

base x height= area

b x h= area

For example:

Joey cut a shape of a parallelogram. The base is 6 cm and the height is 4 cm. What is the area of Joey's parallelogram?

Answer: The area of Joey's parallelogram is 24cm2.

Here is a website to help your learn more about parallelogram and how to find its area.

Here's a video to help you more:

I hope all this information help you understand more :) !