Question: In a rectangle, if the length is 10 cm and the width is 5 cm, what is the perimeter?
Options:
30 cm
25 cm
20 cm
15 cm
Correct Answer: 30 cm
Solution:
The perimeter of a rectangle is given by the formula: P = 2(length + width). Here, P = 2(10 + 5) = 30 cm.
In a rectangle, if the length is 10 cm and the width is 5 cm, what is the perime
Practice Questions
Q1
In a rectangle, if the length is 10 cm and the width is 5 cm, what is the perimeter?
30 cm
25 cm
20 cm
15 cm
Questions & Step-by-Step Solutions
In a rectangle, if the length is 10 cm and the width is 5 cm, what is the perimeter?
Step 1: Identify the length of the rectangle, which is 10 cm.
Step 2: Identify the width of the rectangle, which is 5 cm.
Step 3: Use the formula for the perimeter of a rectangle, which is P = 2(length + width).
Step 4: Substitute the values into the formula: P = 2(10 + 5).
Step 5: Calculate the sum inside the parentheses: 10 + 5 = 15.
Step 6: Multiply the sum by 2: P = 2 * 15 = 30.
Step 7: State the final answer: The perimeter is 30 cm.
Perimeter of a Rectangle – The perimeter is calculated by adding the lengths of all sides, which can be simplified using the formula P = 2(length + width).
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