MSE2183 Assignment 3 Solutions 2026

MSE2183 Assignment 3 Solutions 2026
UNISA




Question upload your forum 4 responds as you did from last assignments

,QUESTION 1

Participation in Forum 4

Student Number: ___________________________________________

My posts in Forum 4



Other students’ responses/comments



My comments on other students’ posts

, Question 2

Lesson 4 Volume and Area

2.1

A rectangle with sides 𝑎and 𝑏has area:

𝐴 = 𝑎𝑏


The second rectangle has sides:

• 2𝑎
𝑏
•
2

Its area is:
𝑏
𝐴 = (2𝑎) ( )
2
𝐴 = 𝑎𝑏


Since both rectangles have the same area,

For all values of 𝑎 and 𝑏, the two rectangles have equal area.




2.2

A regular dodecagon has 12 equal sides.
Given:

• Side length = 7 cm

Perimeter:

𝑃 = 12 × 7
𝑃 = 84 cm


Answer:

84 cm


2.3 Complete self-assessment 4.1; b) and d)
(a) Equilateral Triangle