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Formulas
Identifying polygons
Solve for X
Square Root
Definitions
100
A=lw
What is the formula for area of a rectangle ?
100
Decagon
What is the name of a polygon with 10 sides ?
100
2x+3=24
what is x=10.5
100
9
What is the square root of 81 ?
100
the perpendicular distance from the center of a regular polygon to a side .
What is apothem ?
200
A=S*S
What is the formula for area of a square ?
200
Pentagon
What is the name of a polygon with 5 sides ?
200
2+6x=20
what is x=3.
200
15
What is the square root of 225 ?
200
a triangle with all equal interior angles .
What is a equiangular triangle ?
300
A=bh
What is the formula for area of a parallelogram ?
300
Octagon
What is the name of a polygon with 8 sides ?
300
8y+4x=12
what is x=3.
300
15.81
What is the square root of 250 ?
300
an angle whose measures is greater than 0 and less than 90 degrees.
What is an acute angle ?
400
A= 1/2(b1+b2)h
What is the formula for area of trapezoid ?
400
Dodecagon
What is the name of a polygon with 12 sides ?
400
x+6=12
what is x=6.
400
13.4
What is the square root of 180 ?
400
a line , segment , or ray that intersects the midpoint of a line segment at a 90-degree angle .
What is an perpendicular bisector ?
500
A=(1/2 l a) n
What is the formula for area of a regular polygon ?
500
15 gon
What is the name of a polygon with 15 sides ?
500
32+8x=48
what is x=2.
500
11
What is the square root of 121 ?
500
a line that intersects the circle in exactly one point .
What is point of tangency ?