The figure is a regular polygon with 20 sides.
The figure is a regular polygon of 20 sides.
There are 3 triangles in a pentagon and the sum of measures of interior angles is 3x180° = 540° .
Since all angles of a regular polygon are equal, an interior angle in a regular pentagon is 108°
The triangle AOC is isosceles; has equal base angles .
Sum of base angles should be 45°
Circumference is the term for a special perimeter .
It may be all, but the name for a figure reflecting all the properties is r.... .
900/7 = 129 (rounded) .
The sum of all interior angles is 2x180° = 360°.
BCEF is a rectangle .
As long as the length of one side of the bigger square.
2 of them are right triangles.
EFA , EAB , EAD , EAC , DAB , DAC , DBC , CAB.
Diagonals of parallelograms bisect .