8th Class Mathematics Sample Paper Mathematics Sample Paper - 7

  • question_answer
    (a) Construct a rectangle ABCD in which side BC = 5 cm and diagonal BD = 6.2 cm.
    (b) Can you draw a rhombus ZEAL, where ZE = 3.5 cm, diagonal EL = 5 cm? Why?

    Answer:

    (a) Steps of Construction:
    (i) Draw BC = 5 cm.
    (ii) Draw \[CN\bot BC.~\]
    (iii)With B as a centre and radius 6.2 cm, draw an are, cutting CN at D.
    (iv) Join BD.
    (v) With D as centre and radius 5 cm, draw an are.
    (vi) With B as centre and radius equal to CD draw another arc, cutting the previous arc at A.    1
    (vii) Join AB and AD, then ABCD is a required rectangle.                                                 
    (b) Yes, we can draw a rhombus ZEAL because all the four sides of a rhombus are equal in length.


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