In this topic, an object that has the shape of a cuboid, cube, cone, pyramid, and sphere is used to understand three-dimensional and two-dimensional shapes.

7.1

Bentuk Tiga Dimensi

Three -dimensional (3D) shapes are shapes that have length, width and height.

The three-dimensional shapes are as in the table below.

Example of 3D Shape

Cube

Cuboid

Sphere

Pyramid

Cone

Cylinder

7.2

Bentuk Dua Dimensi

2D is a shape that has one flat surface and not thick.

Example of 2D Shape

Square

Rectangle

Triangle

Circle

7.3

Penyelesaian masalah

Farid draws a rectangular shape. He calculates the number of vertices that the same square has.

How many corners will Farid draw?

The corners of a rectangle are marked with black arrows in the picture above.

So, there are four black arrows that mean a rectangle either four corners.

So the correct answer is the four corners that Farid will draw.

Chapter 7: Space

In this topic, an object that has the shape of a cuboid, cube, cone, pyramid, and sphere is used to understand three-dimensional and two-dimensional shapes.

7.1

Bentuk Tiga Dimensi

Three -dimensional (3D) shapes are shapes that have length, width and height.

The three-dimensional shapes are as in the table below.

Example of 3D Shape

Cube

Cuboid

Sphere

Pyramid

Cone

Cylinder

7.2

Bentuk Dua Dimensi

2D is a shape that has one flat surface and not thick.

Example of 2D Shape

Square

Rectangle

Triangle

Circle

7.3

Penyelesaian masalah

Farid draws a rectangular shape. He calculates the number of vertices that the same square has.

How many corners will Farid draw?

The corners of a rectangle are marked with black arrows in the picture above.

So, there are four black arrows that mean a rectangle either four corners.

So the correct answer is the four corners that Farid will draw.