3. 1. Area Area is a measure of how much space is occupied by a figure....
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3. 1. Area Area is a measure of how much space is occupied by a figure. Area is measured in square units. For example, one square centimeter (cm²) is 1cm wide and 1cm tall.. lem A figure's area is the number of square units it would take to cover the figure. It is easy to see that it would take 15cm² to cover a rectangle that is 3cm by 5cm. Sem The area of any rectangle is just the length of its base multiplied by its height. A=bh Practice: Find the area of each shaded region below. Angles are all 90 degrees. 12 1-cm 1cm 8cm 2|3 1-cm 2. 4. 12cm 2cm 9cm 5cm 12 cm 5cm re's i It is 5c ja one sa 1. squar 4in Area: Triangles Math 8 Area of a triangle: The area of a triangle can be found with the following formula: 3in Consider the diagram below to see why the formula works. Practice: Find the area of each triangle. 2. 4in 100 in A==—- bh o -bh or A= 4in 2in 11in Practice: Find each shaded area: bh 2 10in 18in 11in 11in 21in 20in 3. 3. 16in 16in 15in 16in lin 16in 16in Area: Trapezoids Math 8 Area of a trapezoid: The area of a trapezoid can be found with the following formula: 1. Consider the diagram below to see why the formula works. b₁ 4in Practice: Find the area of each trapezoid. 5in 2in 3in h(b, + b₂) h(b, + b₂) or 2 8in b₂ 2. 8in 13in b₂ 10in 3. 3in b₁ 10in 8in 8in Name Math 8 Perimeter and Area Determine the area and perimeter of each figure below. 2. 1. 3cm 4cm 15cm 4cm 15cm 3. 13cm 9cm 9cm 12cm; 3cm Sem 5cm its Sem 13cm A: P: A: P: 6. 2-cm 生 20cm 12cm -cm 5cm 16cm A: P: 7. 8. 8cm 6cm 15cm 8cm 29cm A: 45 20cm 13cm 21cm 10cm 10cm Period 17cm 17cm 34 Math 8 'm tall. ver the ingle that 3. 1. Area Area is a measure of how much space is occupied by a figure. Area is measured in square units. For example, one square centimeter (cm²) is 1cm wide and 1cm tall.. lem A figure's area is the number of square units it would take to cover the figure. It is easy to see that it would take 15cm² to cover a rectangle that is 3cm by 5cm. Sem The area of any rectangle is just the length of its base multiplied by its height. A=bh Practice: Find the area of each shaded region below. Angles are all 90 degrees. 12 1-cm 1cm 8cm 2|3 1-cm 2. 4. 12cm 2cm 9cm 5cm 12 cm 5cm re's i It is 5c ja one sa 1. squar 4in Area: Triangles Math 8 Area of a triangle: The area of a triangle can be found with the following formula: 3in Consider the diagram below to see why the formula works. Practice: Find the area of each triangle. 2. 4in 100 in A==—- bh o -bh or A= 4in 2in 11in Practice: Find each shaded area: bh 2 10in 18in 11in 11in 21in 20in 3. 3. 16in 16in 15in 16in lin 16in 16in Area: Trapezoids Math 8 Area of a trapezoid: The area of a trapezoid can be found with the following formula: 1. Consider the diagram below to see why the formula works. b₁ 4in Practice: Find the area of each trapezoid. 5in 2in 3in h(b, + b₂) h(b, + b₂) or 2 8in b₂ 2. 8in 13in b₂ 10in 3. 3in b₁ 10in 8in 8in Name Math 8 Perimeter and Area Determine the area and perimeter of each figure below. 2. 1. 3cm 4cm 15cm 4cm 15cm 3. 13cm 9cm 9cm 12cm; 3cm Sem 5cm its Sem 13cm A: P: A: P: 6. 2-cm 生 20cm 12cm -cm 5cm 16cm A: P: 7. 8. 8cm 6cm 15cm 8cm 29cm A: 45 20cm 13cm 21cm 10cm 10cm Period 17cm 17cm 34 Math 8 'm tall. ver the ingle that
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find the area of shaded region below A bh 1 8540cm2 2123 12 127242cm2 31 121 23 3253 156 2 36 cm2 4 ... View the full answer
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