For his autumn break, Manu was told by his science teacher to make a model of a rectangular
pyramid as shown below. He decided to make model of his house for his holiday homework.
He did so by using glue, glass sheets and scissors. He put coloured tape around each edge.
Measurement of each edge shown in the figure is in inches.
(a) How much coloured tape will be required to put around all edges?
(b) What is the area of the bottom face in________feet? (1foot = 12inches)
(c) How many triangles are there ?
(d) What will be the length of coloured tape required for the house, if we decrease the height by 3
inches?
(e) Complete the following w.r.t. the given model of rectangular pyramid :
(i) Faces = ______ (ii ) Edges =______ (iii) Vertices =______
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