Bases of
a trapezoid: a,b
Leg: c
Midline:
q
Altitude:
h
Diagonal:
d
Radius
of circumscribed circle: R
Radius
of inscribed circle: r
Perimeter:
L
Area:
S
Figure
Trapezoid with Inscribed Circle
Bases of
a trapezoid: a,b
Lateral sides: c, d
Midline:
q
Altitude:
h
Diagonal:
d1, d2
Ange
between the diagonals: φ
Radius
of circumscribed circle: R
Radius
of inscribed circle: r
Perimeter:
L
Area:
S
Figure
Kite
Sides
of kite: a, b
Diagonal:
d1, d2
Ange:
α, β, γ
Perimeter:
L
Area:
S
Figure
Cyclic Quadrilateral
Side
of a quadrilateral: a, b, c, d
Diagonals:
d1, d2
Angle
between the diagonals: φ
Internal
angles: α, β, γ,
δ
Radius
of circumscribed circle: R
Perimeter:
L
Semiperimeter:
p
Area:
S
Figure
Labels:
Mathematician
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