Lesson 3 Homework 4.3 Answer Key (2024)

FAQs

How do you find the perimeter of the rectangle A and B? ›

In order to find the perimeter, or distance around the rectangle, we need to add up all four side lengths. This can be done efficiently by simply adding the length and the width, and then multiplying this sum by two since there are two of each side length. Perimeter=(length+width)×2 is the formula for perimeter.

Final answer:

To find 6 times as much as 384, we can use a strip diagram and multiply 384 by 6. The unknown quantity is 2304.

The associative property in mathematics states that the way in which numbers are grouped in a multiplication operation does not change the product. Therefore, factors of 12 are 1, 2, 3, 4, 6, 12, and factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30.

Find the area of the field along with its perimeter. Therefore, Area = length x width = 12 x 10 = 120 sq.m. Perimeter = 2 (length + width) = 2 x (12 + 10) = 2 x 22 = 44 m.

Find the perimeter of a rectangle whose length is 12 cm and breadth is 8 cm. Given!!! So the Perimeter of rectangle is 40 cm.

A number which is not divisible by “2” is called an odd number. An odd number always ends in 1, 3, 5, 7, or 9. Examples of odd numbers: 51 , − 543 , 8765 , − 97 , 9 , etc. An odd number is always 1 more than (or 1 less than) an even number.

The mode is the most common number that appears in your set of data. To find the mode count how often each number appears and the number that appears the most times is the mode.

Adjacent Numbers

When two numbers are adjacent to each other in a sentence, use a combination of a numeral and a spelled-out number. If one of the numbers is a unit of measurement, keep that as a numeral. (We had sixteen 4-foot boards.) Otherwise, spell out the shorter of the two numbers.

Answer and Explanation:

16 2/3 times 6 equals 100.

⇒6×2=12.

What is 9 multiply 6? ›

9 × 6 = 54 (9 + 9 + 9 + 9 + 9 + 9 = 54)

The HCF of 8 and 20 is 4. The numbers 8 and 20 are divisible by the highest integer, which is the HCF. The factors of 8 are 1, 2, 4, 8, and the factors of 20 are 1, 2, 4, 5, 10, 20. The methods to find the HCF are prime factorisation, long division and listing common factors.

There are 3 common factors of 9 and 18, that are 1, 3, and 9. Therefore, the greatest common factor of 9 and 18 is 9.

The GCF of 9 and 15 is 3. To calculate the greatest common factor (GCF) of 9 and 15, we need to factor each number (factors of 9 = 1, 3, 9; factors of 15 = 1, 3, 5, 15) and choose the greatest factor that exactly divides both 9 and 15, i.e., 3.

In a rectangle, you'll add up the two longer sides and the two shorter sides, or double the length and add it to double the width (P = 2l + 2w). Circle: To measure the distance around a circle, or its perimeter, you use the perimeter formula two times pi times the radius (P = 2πr).

= 2(l+b)