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triangles & angles

What makes a Rectangle? 4 right angles and opposite sides equal.
What makes a Square? 4 right angles and 4 equal sides.
What makes a Parallelogram? Two pairs of parallell sides and opposits sides equal.
What makes a Rhombus? a Parallelogram with 4 sides.
What makes a Trapazoid/Trapezium? Two sides are parallel.
if two sides of a triangle are 1 and 3, the third side may be ___. 3, three
Two sides of a triangle are 5 and 7, the third side may NOT be ___. 12, twelve.
Sides: 7,5,4 yes
Sides: 5,2,4 yes
Sides: 5,28 no
Sides: 9,6,5 yes
Sides: 9,8,1 no
Sides: 2,15,16 yes
Sides: 1,13,13 yes
Sides: 1,2,3 no
FInd the following meausure: 9,5,_____ 5-13
6,10,___ 4-16
11,8,____ >3-<18
MEASURES: 70*, 50*, and 60* POSSIBLE, YES.
Created by: Pageau