Plans and Elevations

Question 8: You are not allowed to use graph paper to answer this question.   (a)  Diagram  8.1  shows a solid right prism with rectangular base EFGH  on a horizontal table.  The surface EFRJKL  is the uniform cross-section of the prism. Rectangle KLMN  and JPQR are horizontal planes.  Rectangle  JKNP  is an inclined plane. RF and LE  are vertical … Read more

Question 7: You are not allowed to use graph paper to answer this question. (a) Diagram 11.1 shows a solid prism with a rectangular base JKLM on a horizontal plane. The surface MQRSTL is the uniform cross section of the prism. Triangle STU and PQR are horizontal planes. Edges PJ, RS and UK are vertical. PQ = TU = 3 cm. Diagram 7.1 Draw to full scale, … Read more

Question 6: You are not allowed to use graph paper to answer this question. (a) Diagram 6.1 shows two solid right prisms joined at the vertical plane EGLK. The planes JKL and MNP are the uniform cross sections of the prism HEGLJK and prism EFGMNP respectively. The base EFGH is a rectangle which lies on a horizontal plane. Edges HJ and EK are vertical. Diagram 6.1 Draw, to full scale, the plan … Read more

Question 5: You are not allowed to use graph paper to answer this question. (a) Diagram 15.1 shows a pyramid with rectangular base ABCD on a horizontal plane. Vertex E is vertically above C. Triangles BCE and DCE are vertical planes. Triangles ABE and ADE are inclined planes. Diagram 5.1 Draw to full scale, the plan of the solid. (b) Another solid cuboid with rectangle base … Read more

Question 4: The diagram above shows a solid consisting of a right prism and a half-cylinder which are joined at the plane HICB. The base ABCDEF is on a horizontal plane. The rectangle LKJG is an inclined plane. The vertical plane JDEK is the uniform cross-section of the prism. AB = CD = 2 cm. BC … Read more

Question 3: The diagram above shows a right prism attach to a cuboid at one of its plane. ABCG and CDEF, IJNH and KLMJ are horizontal planes, ABIH, AGNH and GCJN are vertical planes while IBCJ is an inclined plane. HA = 3 cm, BC = 3 cm, CD = 1.5 cm, HI = NJ = JK = 3 cm. Draw … Read more

Question 1: The diagram above shows a solid consisting of a right prism and a half-cylinder which are joined at the plane EFGH. EF is the diameter of the semi-circle and is equal to 3 cm. The base ABCD is on a horizontal plane and AB = 6 cm, BC = 4 cm. The vertical … Read more

7.2 Plans and Elevations   1.  Plan is the image formed when solid is viewed from the top. Its orthogonal projection lies on the horizontal plane. 2.  Elevation is the image formed when a solid is viewed from the front or from the side. Its orthogonal projection lies on the vertical plane. 3.  In drawing plans and elevations … Read more