Question

find the breadth of a greeting card whose perimeter is 36 cm and length is 12 cm

Answer 1

Answer:

Greeting card is rectangular in shape,so we take formula of perimeter of rectangle

Step-by-step explanation:

perimeter of rectangle =2(l+b)

36=2(12+b)

=6cm

Answer 2

Answer:

Given-

Perimeter = 36cm

Length = 12cm

To find-

Breadth = ?

Solution-

Perimeter = 2( Length×Breadth )

∴ 36 = 2 ( 12×Breadth )

∴ 36 = 24 + 2Breadth

∴36 - 24 = 2Breadth

∴12 = 2Breadth

∴12/2 = Breadth

∴Breadth = 6cm

Ans- The breadth of the getting Card is 6cm

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Moreover-

About Rectangle-

Area: Length × Breadth

Perimeter: 2 x ( Length+ Breadth )

Number of vertices: 4

Number of edges: 4

Internal angle: 90°