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Geometry Area Formulas Flashcards | StudBud
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Geometry Area Formulas
Geometry Area Formulas
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Answers
1
What's the area of the segment of a circle?
A=πr2
A=Asector-Atriangle
A=Atriangle-Asector
2
What's the area of a trapezoid?
A=b1+b2+b3+b4
A=1/2ap
A=1/2(b1 + b2)h
A=πr2
3
What's the perimeter of a rectangle?
P=2πr
P=S2
P=L*W
P= 2L+2W
4
What's the area of a circle?
A=π2r
A=πr2
A=2πr
A=r2
5
The area of a sector is (mARC/360)*πr
3
False
True
6
What can be assumed given a 45-45-90 triangle?
a-a-a\sqrt{2}
a-a-2\sqrt{a}
a-a\sqrt{3}-2a
a-2a-a\sqrt{3}
7
How do you find the apothem of a regular hexagon? (given: the side length)
Using a 45-45-90 special right triangle
The side length is equal to the apothem
Using a 30-60-90 special right triangle
8
What's the area of a square?
A=1/2ap
A= S2
A=1/2bh
A=πr2
9
What's the circumference of a circle?
C=2πr
C=2L+2W
C=πr2
C=a2 + b2
10
The area of a triangle is 1/2bh
True
False
