The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
l2+b2=41 (or) l2+b2=41
Also, lb=20
l+b2=l2+b2+2lb = 41 + 40 = 81
(l + b) = 9.
Perimeter = 2(l + b) = 18 cm.
View Answer Report Error Discuss
How much longitude does the Earth move in an hour?
Select the related word/letters/number from the given alternatives.
PZQW : NXOU :: FISK : ?
The following equation is incorrect. Which two signs should be interchanged to correct the equation?
16 ÷ 4 - 50 x 4 + 18 = 26
XY : AB : : LM : ?
In January 2018, who notified the Companies (Amendment) Act, 2017?
GROUPS : ITQWRU : : SECOND : ?
Which Part of Indian Constitution deals with Centre-State financial relations?