Secret Formulas
What's in a Word?
Out of Area
Side Dish
Picture This
100
Trapezoid
What is the shape of this formula...A=1/2h(b1+b2)
100
It's the only polygon that can fly.
What is a kite?
100
A square has this area when its perimeter is 52 in.
What is 169 sq in?
100
The missing leg of a right triangle whose other leg is 6mm and whose hypotenuse is 10 mm.
What is 8mm?
100
See diagram 100
What is 48 sq ft?
200
They both share the area formula A = 1/2(d1)(d2)
What is the shape of this formula... Rhombus or kite
200
It begins with an "a" and is highly regular.
What is an apothem?
200
Their formulas are the same, but they look different.
What are a rhombus and a kite?
200
It is x when the sides of a trapezoid are 3x+8, 4x, 4x-7, and 2x-1 and the perimeter is 39 cm.
What is x=3 cm?
200
See diagram 200
What is 216 sq in?
300
A = d2(Pi/4) , A=Pi(r2)
What is the area of a circle?
300
It has exactly one pair of parallel sides.
What is a trapezoid?
300
It is the area of a regular hexagon with a side length of 12 meters and an apothem of 10.4 meters.
What is 374.4 sq meters?
300
When a triangle has an area of 30 sq ft and a height of 12 ft, it is the length of the base.
What is 5 ft?
300
See diagram 300
What is 81pi, or 254.47 units?
400
Regular polygon
What is the formula ... A = 1/2(a)(P)?
400
It begins with an "a" and is highly regular.
What is an apothem?
400
It is the sector area of a circle having a central angle of 310 degrees and a diameter of 18.8 mm.
What is 239 sq mm?
400
When a regular pentagon has an area of 60 sq units and an apothem of 6 units, it is the side length.
What is 4 units?
400
See diagram 400
What is 78%?
500
A = (b)(h)
What is the area of a parallelogram?
500
It is often confused with analyzing fish skin.
What is a scale factor?
500
When two similar kites have a scale factor of 3:2, and the smaller kite has an area of 36 sq in, it is the area of the larger kite.
What is 81 sq in?
500
A side in a regular triangle, with area of 72 sq in and apothem of 8 in.
What is 6 in?
500
See diagram 500
What is 22 sq in?
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