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Mathematics 15 Online
OpenStudy (anonymous):

what is the truth about this shape

OpenStudy (anonymous):

|dw:1405444891743:dw|

OpenStudy (anonymous):

It is a parallelogram. It is not a polygon because its line segments do not cross. It is not a polygon because it is not closed. It is a polygon.

OpenStudy (anonymous):

It is not a polygon because it is not closed

OpenStudy (anonymous):

Any figure that is not closed cannot be a polygon. :)

OpenStudy (anonymous):

dose anyone agree

OpenStudy (anonymous):

I have an A in geometry, I'm pretty sure I'm correct...

OpenStudy (anonymous):

ok thanks can you help me on another one

OpenStudy (anonymous):

Maybe, I am multitasking by the way, so it might take me a while to respond.

OpenStudy (anonymous):

Ask away :)

OpenStudy (anonymous):

Classify the triangle: |dw:1405445240630:dw| acute isosceles obtuse scalene right scalene obtuse isosceles

OpenStudy (anonymous):

Ok well an obtuse angle is usually bigger than 90 degrees and smaller than 180 degrees. So cross out options A and C

OpenStudy (anonymous):

The answer is D you can learn more about angles here, you dont have to read all of it though: http://en.wikipedia.org/wiki/Angle

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

No problem :) Any more questions? I'll be glad to help

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Curtis is buying a figurine that is 6 inches high according to the box. The picture on the box is 8 centimeters high and 5 centimeters wide. What proportion could you use to determine the width of the figurine? 6 inches over 8 centimeters equals 5 centimeters over w 8 centimeters over 6 inches equals 5 centimeters over w 8 centimeters over 6 inches equals w over 5 centimeters 5 centimeters over 8 centimeters equals 6 inches over w

OpenStudy (anonymous):

it's B

OpenStudy (anonymous):

thanks i have another

OpenStudy (anonymous):

Parallelogram T M J U is similar toparallelogram H P S C and the ratio of line segment U T to line segment C H is two to five. Which of the following is not true? angle M to angle P is one to one line segment M J to line segment P S is two to five line segment P H to line segment M T is five to two angle U to angle C is two to five

OpenStudy (anonymous):

This is a tricky, one, do you have a picture of the figure?

OpenStudy (anonymous):

no sorry if you wont me to i will send another one and scip that one

OpenStudy (anonymous):

Triangle R E D is congruent to triangle A P Y. Which of the following is true? If triangle R E D is an obtuse triangle, triangle A P Y must be an acute triangle. line segment A Y is congruent to line segment R E triangle R E D is congruent to triangle Y P A. line segment E D is congruent to line segment P Y

OpenStudy (anonymous):

Congruent means similar, So it cannot be A or C

OpenStudy (anonymous):

One reason why it cant be B is because R = A E = P D = Y RE = AP do you get it?

OpenStudy (anonymous):

The answer is D

OpenStudy (anonymous):

thanks 1 more please

OpenStudy (anonymous):

Sure :)

OpenStudy (anonymous):

A line segment with endpoints U negative two comma six and V negative five comma negative three is reflected over the x-axis. Which of the following is a coordinate of the resulting line segment U prime V prime? V prime five comma negative three V prime five comma three U prime two comma negative six U prime negative two comma negative six

OpenStudy (anonymous):

This is a hard one, I'll try to figure it out, but heres a tip. There is this great application for computers called Geogebra, you can make graphs with it and do alot more, here is the link to the website: http://www.geogebra.org/cms/en/

OpenStudy (anonymous):

it should help you with this question too

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Which could result from rotation of the shape below? |dw:1405447755533:dw| A shape of the same size facing a different direction. A shape of the same size shifted to the left. A similar, but smaller shape. A different shape of a similar size.

OpenStudy (anonymous):

B

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

A line segment with endpoints U negative two comma six and V negative five comma negative three is reflected over the x-axis. Which of the following is a coordinate of the resulting line segment U prime V prime? V prime five comma negative three V prime five comma three U prime two comma negative six U prime negative two comma negative six

OpenStudy (anonymous):

A sculpture of an object is 4 inches wide and 6 inches high. The actual object is twelve feet wide. What is the scale between the sculpture and the object? 3 inches to 2 feet 1 inch to 2 feet 2 inches to 3 feet 1 inch to 3 feet

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