All 2023 BECE Likely BDT Surface development Questions and Answers

This very important article focuses on All 2023 BECE Likely BDT Surface development Questions and Answers for those preparing for the Junior High School leaving examination.

By the time you are done mastering how to draw the surfaces shared here, you will be able to answer any surface development question in your mock and BECE.

The term development simply implies outlining the surfaces of articles in one place after it has been cut.

Theprisims that will be dealt with in this 2023 BECE Likely BDT Surface development Questions and Answers are

a. Right prism

b. truncated prism

c. Triangular prism

d. Truncated triangular prism

e. Square prism

f. Truncated Square prism

g. Hexagonal Prism

h. Truncated Hexagonal Prism

i. Cylinder

j. Truncated cylinder

 

Steps for developing a Right prism

To develop the surfaces of a right prism

a. Draw the plan and front elevation of the Right prism to scale.

b. Draw the plan in a convenient number of parts such as (6 or 12 using the T-square and your 30/60 degree sets square for cylinders only)

c. Nest thing is to project the points to the plan of the elevation

d. Project the points on the elevation to the surface to be developed.

e. Transfer the points on the plan to the surface to be developed

f. Look for all intersection points from corresponding points on the plan and elevation.

g. Complete the developed surface through the points located.

 

READ: How to write informal letters or friendly letters – BECE, WASSCE and GTLE

When drawing ensure that you number the drawing very well and accurately. It is better to number form shorter edges if there are cuts to reduce the burden of joining and save time in joining.

All 2022 BECE Likely BDT Surface development Questions and Answers

Below are all the suggested solutions for the full-size and truncated prisms.

SURFACE DEVELOPMENT OF A RIGHT PRISM

 

Below are the rest of the types of surfaces the BECE examiners keep repeating. Once you master how to draw the surfaces, each question on them will become very easy for you.

SURFACE DEVELOPMENT OF A TRUNCATED PRISM

SURFACE DEVELOPMENT OF A TRUNCATED HEXAGONAL PRISM

All 2023 BECE Likely BDT Surface development Questions and Answers

 

SURFACE DEVELOPMENT OF A HEXAGONAL PRIMS

SURFACE DEVELOPMENT OF A CYLINDER

All 2023 BECE Likely BDT Surface development Questions and Answers

 

SURFACE DEVELOPMENT OF A TRUNCATED CYLINDER

All 2023 BECE Likely BDT Surface development Questions and Answers

SURFACE DEVELOPMENT OF A TRUNCATED SQUARE PRISM

SURFACE DEVELOPMENT OF A TRUNCATED SQUARE PRISM

SURFACE DEVELOPMENT OF A TRUNCATED  TRIANGULAR PRISM

All 2023 BECE Likely BDT Surface development Questions and Answers

SURFACE DEVELOPMENT OF A TRIANGULAR  PRISM