Solve Exercise 3 on Page 56 of Math 4 Workbook

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Ngày cập nhật gần nhất: 15/4/2026

Solve Exercise 3 on Page 56 of Math 4 Workbook - Concentrated Practice. Given square ABCD with a side length of 3cm. Extend square BIHC to form the rectangle AIHD (see diagram).

Guidelines for solving Exercise 3 on Page 56 of Math 4 Workbook

Solution Method:
a) Observe the diagram, notice that squares ABCD and BIHC have equal sides, each measuring 3 cm
b) Examine the diagram, identify the sides perpendicular to DH
c)
- Calculate the length of rectangle AIHD: AI = AB + BI
- Calculate the perimeter of rectangle AIHD = (AI + AD) x 2

Answer:
a) Square BIHC has a side BC = 3cm, so square BIHC has sides measuring 3cm each.
b) Side DH is perpendicular to sides AD, BC, IH.
c) The length of rectangle AIHD is:
3 + 3 = 6 (cm)
The perimeter of rectangle AIHD is:
(6 + 3) x 2 = 18 (cm)

Here is the solution guide for exercise 3 on page 56 of Math 4 Workbook. Additionally, this section contains 3 more exercises: Solve Exercise 1 on Page 56 of Math 4 Workbook, Solve Exercise 2 on Page 56 of Math 4 Workbook, and Solve Exercise 4 on Page 56 of Math 4 Workbook. Let's explore the solution guide for exercises on page 56 Math 4 to excel in 4th-grade math!

Frequently Asked Questions

What steps should be followed to solve Exercise 3 on Page 56?

To solve Exercise 3 on Page 56 of the Math 4 Workbook, first observe the provided diagram. Note that squares ABCD and BIHC each have sides measuring 3 cm. Identify the rectangle AIHD by calculating its length as the sum of AI and AB, and then determine the perimeter using the formula for the rectangle.

How do you calculate the perimeter of rectangle AIHD in Exercise 3?

To calculate the perimeter of rectangle AIHD, first find its length, which is the sum of AI and AB, resulting in 6 cm. Then use the formula for the perimeter: P = 2 × (length + width), giving P = (6 + 3) × 2 = 18 cm.

Is it necessary to observe the diagram for solving Math 4 Workbook exercises?

Yes, observing the diagram is crucial for solving exercises in the Math 4 Workbook. Diagrams provide essential visual information that helps in understanding relationships between shapes, making calculations more accurate and straightforward.

What are the dimensions of square BIHC in Exercise 3 of the Math 4 Workbook?

Square BIHC has dimensions with each side measuring 3 cm, consistent with the given dimensions of square ABCD. This uniformity is key in calculations for the rectangle AIHD formed from these squares.

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