If the length of a rectangle is 8 cm and its diagonal is 10 cm, find its area.

A 64 cm2
B 40 cm2
C 48 cm2
D 80 cm2

Correct Answer: 48 cm2

Using short cut technique ABC is a right angled triangle সমকোণী ত্রিভুজের তিন বাহুর অনুপাত হতে পারে 3 : 4 : 5 or 5 : 12 : 13 3 : 4 : 5 = 6 : 8 : 10 Area = 6 × 8 = 48 cm2
Bissoy MCQ
#গণিত #চতুর্ভুজ (Quadrilateral) #Social Islami Bank Ltd #Social Islami Bank Ltd - Trainee Officer - 31.12.2010

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