उत्तर-
55 सेमी
A
(ii)
B
37 सेमी
D
C
(C) 2 (5x+3y) सेमी (D) 2x5x3y सेमी
(A) (5x+3y) सेमी (B) 5xx3y सेमी
उत्तर
Answers
Given : Sides of a rectangle are 5x cm and 3y cm
To Find : Perimeter of rectangle
(A) (5x+3y) सेमी
(B) 5.x*3y सेमी
(C) 2 (5x+3y) सेमी
(D)2x5x3y सेमी
Solution:
Perimeter of rectangle = 2( length + breadth )
= 2(5x + 3y)
option C
Area of rectangle = Length * breadth
= 5x * 3y cm²
Perimeter of rectangle = 2(5x + 3y) सेमी
Option C is correct
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Question :- Find the perimeter of the figure using given dimensions 5x cm and Зу cm .
(A) (5x+3y) cm
(B) 5x x 3y cm
(C) 2 (5x+3y) cm
(D) 2x5x3y cm
Solution :-
we know that,
- Perimeter of rectangle = 2(Length + Breadth) .
we have given that, ,
- Length = 5x cm.
- Breadth = 3y cm.
so,
→ Perimeter = 2(L + B)
→ Perimeter = 2(5x + 3y) (C) (Ans.)
Hence, Perimeter of given figure will be 2(5x + 3y) .
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