Triangles are classified by side length and angles, and quadrilaterals can be classified into groups like trapezoid, kite, rhombus, etc. I have not found any similar ways for pentagons online anywhere...

Triangles are classified by side length and angles, and quadrilaterals can be classified into groups like trapezoid, kite, rhombus, etc. I have not found any similar ways for pentagons online anywhere...

I am trying to explain the formula (n-2)180 used to find the sum of interior angles of polygons, I understand the formula but I'm just wondering why it's minus 2? I know that you can also split...

Please help me because Geometry is soooooooo hard!!!!!!!!!!

8th grade maths...

I need to find the fraction. Tried everything I could think of. also this is 8th grade maths

I have a dilation/enlargement of a polygon for homework, but I don't have many notes. Let's say point A is (14.5, 30) and point B is (17, 30), and I want to enlarge it by a scale factor of three....

Hello there lovely math people! I'm trying to find the correct term to best describe these types of vertically repeating N-gonal shapes: https://cdn.instructables.com/FSC/CG73/HDOVWKOB/FSCCG73HDOVWKOB...

Polygon A has side a=3 and an area of 12 in2. If the similar polygon B has corresponding side b=5, what is the area of polygon B?

Devon and Jamal both draw regular polygons. Devon's polygon has 14 sides. Jamal's polygon has 15 sides.

IF you know the apothem of a polygon, how would you find it's area? What is you know one side? The radius?

Two landmarks are in opposite sides of a lake And are facing each other. You have been asked to find the distance between the landmarks; however, you can only use distance in the land. Describe a...

Four distinct points are chosen at random on a circle. LIne segments are then drawn connecting every possible pair of these points. Theses line segments divide the interior of the circle into how...

A stop sign is a regular octagon with a 16.2 inches radius. The area should be rounded to the nearest square inch.

So theres 100 congruent triangles that each have a measure to 15°. How many of these triangles are needed to make a pinwheel

Do the angles of a parallelogram have a certain measure or do they just have different measures in each problem?

Geometry help. i dont understand any of this.