Mathematics, 14.10.2019 23:00, Bgreene2377
Sofia and ella are both writing expressions to calculate the surface area of a rectangular prism. however, they wrote different expressions.
a. examine the expressions below, and determine if they represent the same value. explain why or why not.
sofia’s expression:
(3 cm × 4 cm) + (3 cm × 4 cm) + (3 cm × 5 cm) + (3 cm × 5 cm) + (4 cm × 5 cm) + (4 cm × 5 cm)
ella’s expression:
2(3 cm × 4 cm) + 2(3 cm × 5 cm) + 2(4 cm × 5 cm)
b. what fact about the surface area of a rectangular prism does ella’s expression show more clearly than sofia’s?
Answers: 3
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Sofia and ella are both writing expressions to calculate the surface area of a rectangular prism. ho...
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