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Mathematics 23 Online
Shaypop:

The quadrilateral shown is a parallelogram. Label the missing items.

Shaypop:

Ab= BD= m<A= m<B= m<C=

Shaypop:

AZ:

remember opposite sides are equal and opposite angles are equal

Shaypop:

Ok so what do I do

Shaypop:

I know the first and second one

AZ:

the sides that are opposite are the same length AB = CD

AZ:

oh okay

Shaypop:

M<A

AZ:

the angles that are opposite are equal and remember that consecutive angles add up to 180

AZ:

so angle C + angle D = 180

Shaypop:

180-32

AZ:

no 32 is the LENGTH of side AC

Shaypop:

Ok

AZ:

110 is the angle D

Shaypop:

Ok

Shaypop:

180-110

AZ:

yes, that will be what angle C and angle B are equal to

Shaypop:

What about angle a

AZ:

angle a = angle d

AZ:

since they're opposite each other, they're equal

Shaypop:

Ok

Shaypop:

I'm confused still

Shaypop:

Something wrong with my brain

AZ:

these are opposite angles and they are equal which means they are the same |dw:1615611610162:dw|

AZ:

and these are opposite angles and they are equal too |dw:1615611648094:dw|

Shaypop:

Ok

AZ:

does that make sense? so if one angle is 23, the opposite angle is also 23

AZ:

and remember that the angles next to each other add upto 180

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