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Mathematics 21 Online
Pixel:

Math helps

Pixel:

1 attachment
jhonyy9:

do you know what mean vertical angles ?

Pixel:

angles that are above one another vertically

kittybasil:

^^^ 100% good job

jhonyy9:

The angles opposite each other when two lines cross.

jhonyy9:

yes ?

Pixel:

Yes

jhonyy9:

using this property and these given details you can calcule easy the value of x yes ?

jhonyy9:

m<C = m<D

jhonyy9:

-3x+58 = x-2 -4x= -60 x = 15 and now just you need substitute the x value in this expressions of angle C and respectiv of angle D and so will get the measure of every angles

jhonyy9:

do you understand ?

jhonyy9:

@ThisGirlPretty

jhonyy9:

Pixel any questions ?

Pixel:

M<D = 13

jhonyy9:

vertical angles definition : The angles opposite each other when two lines cross. They are always equal.

jhonyy9:

in this style m<D = 13°

jhonyy9:

little m mean measure of an angle - right ?

jhonyy9:

pixel yes 13 degree is right answer

jhonyy9:

hope helped

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