Total area of the 64 small squares of aches board is 400cm2. There is 3cm wide border around the chess board. What is the length of each side of the chess board?

MCQs Preparation, Maths MCQs, Mocks, Selected MCQs /

A. 17cm
B. 20cm
C. 23cm
D. 26cm

D. 26cm

Area of each square = (400/64)cm2
Area of each square = 6.25cm2

Side of each small square = √6.25 cm
Side of each small square = 2.5 cm

Since there are 8 squares along each side of the chess board, we have :

Side = [(8 × 2.5) + 6] cm
Side = 26 cm

Post Views: 528
0 0 votes
Article Rating
Subscribe
Notify of
guest

0 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments
error: Content is protected !!
Scroll to Top
0
Would love your thoughts, please comment.x
()
x