T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
Do you remember?
a.
1. Did I use the correct formula?
2. Did I use the correct numbers?
3. Did I use my calculator correctly?
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T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
Area of a Trapezoid (Theorem 10-4)
In symbols: ____________________________________________
height
The area of a trapezoid is half the product of the _______________ and the ___________ of the ______________. sum
bases
The height of a trapezoid is _______________________________________________________
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T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
Target 1: Find area of a trapezoid.
ex.1 Find the area
ex. 2 Find the area of a trapezoid with a height of 7cm and bases 12cm and 15 cm
ex. 3 Find the area
ex. 4 Find the area of the iso trap
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T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
Ex 5: Find the base given the area
Ex 6: Find the height, given the area.
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T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
Area of a Rhombus or Kite (Theorem 10-5)
In symbols:
half
The area of a rhombus is ___________ the product of the lengths of diagonals
its ___________.
half
The area of a kite is ___________ the product of diagonals
the lengths of its ________________.
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T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
Target 2: Find the area of a kite or rhombus
ex. 1 Find the area of the kite
ex. 2 Find the area of the rhombus ex. 3 Find the area of the kite
ex. 4 Find the area of the rhombus
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T12 Trapezoids Rhombi Kites.notebook
March 20, 2017
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