5272道题目5525 条题源记录 · 相同内容已合并
周长・面积与平面图形进阶
In the figure shown, \( JM \) is the diameter and \( LM \) is a radius of semicircle L, and point K is the midpoint of \( JL \) . If the length of \( KL \) is 13 units and the length of \( MN \) is 14 units, which expression represents the area, in square units, of this figure?
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周长・面积与平面图形进阶

The figure shows a rectangle with a length of \( l \) centimeters (cm) and a width of \( w \) cm. The rectangle has a perimeter of 106 cm. Which equation gives the perimeter in terms of \( l \) and \( w \)?
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周长・面积与平面图形挑战

What is the area, in square units, of the triangle formed by connecting the three points shown?
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周长・面积与平面图形挑战
Square A has side lengths that are 166 times the side lengths of square B. The area of square A is k times the area of square B. What is the value of k?
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周长・面积与平面图形挑战
A rectangular poster has an area of 360 square inches. A copy of the poster is made in which the length and width of the original poster are each increased by 20%. What is the area of the copy, in square inches?
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周长・面积与平面图形基础
What is the perimeter, in inches, of a rectangle with a length of 4 inches and a width of 9 inches?
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周长・面积与平面图形进阶
The length of one side of square M is 6 times the length of one side of square N. The area of square N is 49 square feet. What is the area, in square feet, of square M?
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周长・面积与平面图形基础
What is the area of a rectangle with a length of 17 centimeters (cm) and a width of 7 cm?
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周长・面积与平面图形基础
What is the area, in square centimeters, of a rectangle with a length of 34 centimeters (cm) and a width of 29 cm?
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周长・面积与平面图形基础
What is the perimeter, in inches, of a rectangle with a length of 4 inches and a width of 9 inches?
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周长・面积与平面图形基础
The area A, in square centimeters, of a rectangular cutting board can be represented by the expression w(w + 9), where w is the width, in centimeters, of the cutting board. Which expression represents the length, in centimeters, of the cutting board?
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周长・面积与平面图形进阶
Square X has a side length of 12 centimeters. The perimeter of square Y is 2 times the perimeter of square X. What is the length, in centimeters, of one side of square Y?
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