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  3. Mandy has a garden that is shaped like a right triangle, as shown below.[img]20

Mandy has a garden that is shaped like a right triangle, as shown below.[img]20

游客2024-01-12  37
问题 Mandy has a garden that is shaped like a right triangle, as shown below.
[br] Mandy wants to extend each of the side lengths of her original garden by 2 feet. What will the total area of her garden be, in square feet?
选项 A、176
B、782
C、864
D、950
E、1,900
答案 D
解析 The correct answer is D. To solve this problem, recall that the formula for the area of a triangle is(b)(h). Mandy is adding 2 feet to the length of each of the sides of her garden, so the new base is 50 and the new height is 38. Therefore, the total area will be(50)(38)= 950 square feet.
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