Brin was making a bird house for the chickadees. How much birdseed will it take to fill the birdhouse? 80 cm3 240 cm3 320 cm3 400 cm3

320cm³ (option C)

Step-by-step explanation:

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Volume of bird house = volume of a cuboid + volume of a triangular prism

Volume of a cuboid = length × breadth × height

= 8cm × 5cm × 6cm = 240cm³

Volume of triangular prism = ½ base ×height ×length

= ½ × 8×4×5 = 80cm³

Volume of bird house = 240+80

Volume of bird house = 320cm³

Amount of birdseed that will it take to fill the birdhouse = Volume of bird house = 320cm³

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step-by-step explanation: