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Area review Flashcards | StudBud

Explore/Area review

Area review

9 terms·StudBud Administration·63 plays

basic geometry area formulas

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Questions 9

Answers

1
What is the area of a regular polygon?
A = 1/2 bh
A = 1/2 ab
A = 1/2 Pa
A = 1/2 bh
2
What is the circumference of a circle?
A = 2πrh
A = πd
A = π(R2+r2)
A = πrl
3
What is an apothem of a regular polygon?
the same as the base
the slant height of a pyramid
the height of a trapezoid
the perpendicular line segment from the center to the side
4
What is the area of a circle?
A = .5aP
A = πr
A = πr2
A = 2πr
5
What is the area of a sector?
A = π(R2-r2)
A = (degree/360)πr2
A = 2πrl + 2πr2
A = πrl + πr2
6
What is the area of a trapezoid?
A = 1/2 d1d2
A = 1/2 h (b1+b2)
1/2 (b1b2)h
1/2 aP
7
What is the area of a parallelogram?
A=πr2
A = bh
A = 2πr
A=½(bh)
8
What is the area of a rhombus or kite?
A = .1/2 d1d2
1/2 bh
A = 1/2 (d1+d2)h
A = 1/2 (d1+d2)
9
What is the area of a triangle?
A = bh
A = 1/2 bh
A = b2 + c2
A = πr2