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Level 97

Surface Area


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283
Round DOWN to the nearest square inch.
24
Round to the nearest square inch.
206
Round to the nearest square cm.
101
You will round up here because you usually can't but part of a can of paint.
2πrh+2πr²
Cylinder
πrl+πr²
Cone
4πr²
SA of Sphere
2b+ph
Prism
bh
Rectangle
Square
bh
Parallelogram
½bh
Area of Triangle
median×h
Trapezoid
½d₁d₂
Kite
(s²√3)/4
Equilateral Triangle
½aP
Area of a Regular Polygon
(θ/360)πr²
Sector
sector−triangle
Segment
a₁/a₂=(s₁/s₂)²
Ratio of sides in similar polygons
Πr²
Area of circle
√s(s−a)(s−b)(s−c)
Triangle (sides given)
√(s−a)(s−b)(s−c)(s−d)
Inscribed Quadrilateral
pyramid
A solid shape with a polygon as a base and triangular faces that come to a point (vertex or apex)