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14 Cards in this Set
- Front
- Back
Find the area of the right triangle.
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A=1/2bh
A=1/2(6cm)(9cm) A= 1/2(54cm²) A= 27cm² |
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Find the area of the acute triangle.
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A=1/2bh
A=1/2(15in)(4in) A=1/2(60in²) A= 30in² |
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Find the area of the obtuse triangle.
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A=1/2(bh)
A= 1/2(5in)(8in) A= 1/2(40in²) A= 20in² |
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Find the area of the paralllelogram.
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A=bh A=(12 cm)(5 cm)
A= 60 cm² |
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Find the area of the trapezoid.
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A= 1/2(b1+b2)(h)
A= 1/2(10 in + 14 in)(5 in) A = 1/2 (24 in)(5 in) A=1/2(120 in²) A=60 in² |
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Find the area of the polygon by breaking it into smaller rectangles.
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A1=bh
A1=(5 m)(3 m) A1= 15 m² A2=bh A2= (2 m)(1 m) A2= 2 m² A3=bh A3= (2 m)(1 m) A3= 2 m² A=A1+A2+A3 A= 15m² + 2 m² + 2 m² A=19 m² |
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Find the volume of the shape by counting the cubes.
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24 cubic units
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Find the volume of the right rectangular prism.
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V= lwh
V=(8 3/4 cm)(5 1/2 cm)(5cm) V= 240 5/8 cm³ |
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Find the volume of the right rectangular prism.
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V=lwh
V=(5 ft) (5 2/3 ft) (1/4 ft) V= 15 5/12 ft³ |
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Graph the coordinates to draw a polygon on the coordinate plane. (-2,5), (-2,3), (7,5), (7.3)
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Graph the coordinates to draw a polygon on the coordinate plane. (-4,2), (4,2), (-2,-1), (2,-1) What type of polygon is this?
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It is a trapezoid.
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Given the trapezoid you created with coordinates (-4,2), (4,2), (-2,-1), (2,-1), what is the length of the longest side?
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The longest side is 8 units.
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Draw a net for this 3-d figure.
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Draw and use a net to find the surface area of this 3-d figure.
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SA= 2(Ax) + (Aw) + (Ay) + (Az)
SA= 2(1/2bh) + (bh) +(bh) + (bh) SA = 2(1/2*3 cm*4 cm)+(3 cm*4 cm)+(3 cm*3 cm)+(3 cm*5 cm) SA = 2(6 cm²) + 12 cm² + 9 cm² + 15cm² SA= 12 cm² +12 cm² + 9 cm² + 15 cm² SA= 48 cm² |
