Name __________Class_ Date Area of Rectangles The ____ _ of a figure is the amount of surface it covers. It is measured in ______ .

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Presentation transcript:

Name ____________Class_____ Date______ Area of Rectangles The ________ _ of a figure is the amount of surface it covers. It is measured in ________ __ units. A _______formula is an Equation that shows a relationship among Certain quantities. The area A of a rectangle is the _______ of the _______ and ______. Rectangle Square A = Example: Find the area. Formula _____ Area ________ Find the base. base________ Formula _____ A = 8.4 square units 2 The Daniel’s are replacing the flooring in their kitchen with ceramic tiles. The dimensions of their kitchen are 18 feet by 15 feet. The tiles cost $2.50 per square foot. How much will it cost to replace their flooring?

Name ____________Class_____ Date______ Area of Parallelograms The area of the rectangle is _________. The area of the parallelogram is _______. Parallelogram A = The ______of the parallelogram can be any one of its sides. The ________is the ________ distance from the _______ to the opposite side. Example: Find the area. 6.3m 12.2m Formula _____ Area ________ Find the area. 12.5m Area ________ Formula _____ Find the area. Formula ________ Area _____________ Find the height. 8 cm Formula _____ Area __247.5 sq. cm__ 20 cm15 cm 10.9m 15.5m Tape/Glue your new and old shape here. Height___________

A small garden is pictured to the right. If a fence is built around the garden, would you need to know the perimeter or the area to determin how much fencing you need? ______________ How many square inches of garden are there? __________________ Measure to the nearest Centimeter and find the Area. Area_________ Find the area. Formula _____ Area ________ The area is 96 square inches. The base is 8 inches. Find the base. Base________ Formula _____ Height________ Formula _____ Width________ Michelle wants to carpet her living room. The area of the living room is 192 ft2. The length of the living room is 16 ft. What is the width of the living room? 125mm 75mm 8 in Base = ? The area is 105 square inches. The base is 7 inches. Find the height. Joseph wants to install new carpet in his bedroom. The length of the room is 14ft. The width is 12ft. What is the area of the bedroom? __________ If the carpet costs $3 per square foot, how much will Joseph pay for his new carpet? ____________ Formula _____

Name ______________ Class_____ Date______ Area of Triangles ______ is the number of square units needed to cover a given surface. Area of the square (rectangle) ______ Draw a ______ line to divide into two triangles. Area of each triangle __________________ Area of the rectangle ______ Draw a ______ line to divide into two triangles. Area of each triangle ___________________ The area of a triangle is _________ the product of its base b and its height h. A = or A = Example: Find the area. 8 yd 12 yd Formula _____ Area ________ Find the area. Area ________ Formula _____ cm 25 cm Formula _____ Area ________ 18 cm 6 cm Formula _____ Area ________

Name ____________Class_____ Date______ Area of Trapezoids Steps: _________ the two bases. _____________ the sum of the bases by the height. __________ by 2 The area of the trapezoid is _______. A = Example: Find the area. 6m 10m Area ________ Formula __________ 8m 10m 15m 12m Formula __________ Find the area. Area ________ A garden is pictured below (the two sides that are not parallel are congruent. If a fence is built around the garden, how many feet of fencing material are needed? ______________ How many square feet of garden are there? __________________ 6 ft 10 ft 4 ft 3 ft

A small garden is pictured to the right. If a fence is built around the garden, how many inches of fencing material are needed? ______________ How many square inches of garden are there? __________________ Find the area. Formula _____ Area ________ Find the area. Formula _____ Area ________ Find the area. Formula _____ Area ________ Find the area. Formula _____ Area ________ 34m 28m 23m 17 in 25 in 14 in 8 ft 12 ft 6 ft The cross section of a water channel is a trapezoid as pictured below. What is the area of the cross section? Cross Section Area _______