Math, asked by vengateshragul5420, 1 year ago

Rectangular photo drame size30cminto40cm has a photograph mounted at the centre leaving a5 cm border all around .The area of the border is

Answers

Answered by kartik2507
1

Answer:

325 sq cm

Step-by-step explanation:

area of rectangular frame = l × b

= 30 × 40

= 1200 sq cm. (1)

area of frame without borders

(30 - 5) × (40 - 5)

= 25 × 35

= 875 sq cm (2)

area of border = (1) - (2)

= 1200 - 875

= 325 sq cm

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