EXAMPLE 4 - The length of a rectangle is 1 cm more than its
breadth. The diagonal is 29 cm. Find the area of the rectangle.
(a) 481 cm?
(b) 841 cm?
(c) 420 cm?
(d) 870 m2
Answers
Answered by
1
Answer:
(c) 420 cm^2
Step-by-step explanation:
Let the breadth be x cm.
Then length= (x + 1 )cm
& Diagonal = 29 cm
Now apply pythagoras theorem,
you will get x = 20 cm.
Note that the side of a rectangle can't be negative.
Now apply formula of area of rectangle.
That is
= L × B
THANK YOU
HOPE IT HELPS
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