Question

4. Diagonals of a rectangle are perpendicular to each other. True or False ?

5. In the class interval 5-10, find the
(i) lower limit
(ii) upper limit
(iii) class mark
(iv) class size


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Answer 1

4) False

5) (i) 5

(ii) 10

(iii) 7.5

(iv) 5

Answer 2

Answer:

4. False

reason: the diagonals bisect each other but are not perpendicular.

5. i) 5

ii) 10

iii) 5+10/2= 15/2=7.5

iv) 10-5=5