PDA

View Full Version : Help me with Geometry

Christopher
04-20-2016, 01:39 AM
119863

So I know that Angle 1 is 112 degrees and that Angle 3 is 248 degrees.

But I have no idea how to find angle 2. Help me :cry:

WhiteLegend
04-20-2016, 01:48 AM

119864

Metalwire
04-20-2016, 01:50 AM
119863

So I know that Angle 1 is 112 degrees and that Angle 3 is 248 degrees.

But I have no idea how to find angle 2. Help me :cry:
Since it's a rhombus both sides would have the same angle vice versa with the other TOP ones

dancanban
04-20-2016, 01:58 AM
Since it's a rhombus both sides would have the same angle vice versa with the other TOP ones

it is not a rhombus

it doesn't have those lines

Metalwire
04-20-2016, 01:59 AM
it is not a rhombus

it doesn't have those lines
What lines?

bobdan101
04-20-2016, 02:02 AM
Angle 1 is 112 degrees because it is double the exterior angle (56 degrees)
Angle 3 is 248 degrees since angle 1 and 3 add up to 360.
Angle 2 is 124 degrees because the opposite angles of a quadrilateral inscribed in a circle are supplementary.

- - - Updated - - -

Since it's a rhombus both sides would have the same angle vice versa with the other TOP ones

Its not a rhombus. All 4 sides are equal in length in a rhombus.
By "lines", I think that dancanban means those hash marks that show that the sides are congruent.

BudderMeow
04-20-2016, 02:05 AM
What lines?

He means those lines that tells if the side lengths are equal.

Christopher
04-20-2016, 02:17 AM
Angle 1 is 112 degrees because it is double the exterior angle (56 degrees)
Angle 3 is 248 degrees since angle 1 and 3 add up to 360.
Angle 2 is 124 degrees because the opposite angles of a quadrilateral inscribed in a circle are supplementary.

- - - Updated - - -

Its not a rhombus. All 4 sides are equal in length in a rhombus.
By "lines", I think that dancanban means those hash marks that show that the sides are congruent.
Thank you for the explanation!