The diagram shows the dimensions of a deck. A student finds the area by adding 16 ft2 + 48 ft2. Is the student correct? Explain your reasoning.
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6
Answer:
No
Step-by-step explanation:
Area= 4*8+1/2*(8-4)(6-4)=32+4=36 ft²
The student is incorrect, the answer is 36 ft²
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2
Answer:
Sample Response: No; Break the figure into a rectangle and a triangle. The triangle has a height of 4 ft and a base of 2 ft. A = 1/2bh = 1/2(2)(4) = 1/2(8) = 4. The rectangle is 8 ft. by 4 ft., and a = bh = (8)(4) = 32 . The area is 4 + 32 = 36 ft2.
Step-by-step explanation:
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