6.8D (R) Formula Relationships

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A rectangle has a length of 12 cm and a width of 5 cm. What is its area? 6.8D (R)

12 times 5 = 60 cm squared

A triangle has a base of 6 cm and a height of 7 cm. What is its area? 6.8D (R)

6 times 7 = 42, then divided by 2 = 21 cm squared

area of a trapezoid 6.8D (R)

A = ½ (b₁ + b₂)h

area of a triangle 6.8D (R)

A=1/2bh

area of a rectangle; area of a parallelogram 6.8D (R)

A=lw; A=bh

B 6.8D (R)

Area of the base times the height

volume of a rectangular prism 6.8D (R)

V=lwh or V=Bh

A triangle has a base of 8 cm and a height of 50 mm. What is its area in centimeters? 6.8D (R)

convert 50 mm to 5 cm, then multiply 8 times 5 = 40, divided by 2 = 20 cm squared


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