A plane has a thickness and is finite.
True
False
In a quadrilateral FISH, ∠FIS = ∠ISH = ∠SHF and ∠HFI = 150º. What is the measure of ∠FIS?
80º
70º
75º
85º
Match to complete the statements.
A concave polygon has
A convex polygon has
The sum of interior angles of a triangle
Rhombus is a quadrilateral
The sum of exterior angles of a square
at least 1 interior angle greater than 180°
each interior angle less than 180°
is 180°
having all sides equal
is 360°
hexagon
heptagon
decagon