3. The area of a rectangle is 48 cm2. If its width is 6 cm, what is its length
4. A handkerchief in a square shape has a side of 25 cm. What is its area?
5. The trapezoid bases are 7cm and 11 cm. Its height is 4 cm. What is the area of the trapezoid?
4. A handkerchief in a square shape has a side of 25 cm. What is its area?
5. The trapezoid bases are 7cm and 11 cm. Its height is 4 cm. What is the area of the trapezoid?
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Answer:
3. Length = 8cm
4. Area = 625 cm²
5. Area = 36 cm²
Step-by-step explanation:
3). Given :
area of rectangle = 48cm²
width = 6cm
Formula of area of rectangle = Length× breadth
=> 48 = l × 6
=> 48/6 = l
=> 8 cm = l
4). The area of square = a²
=> (25)²
=> 625 cm²
5). Area of trapezoid = a+b/2 × h
=> 7+11/2 × 4
=> 18/2 ×4
=> 9 × 4
=> 36 cm²