Question

if the 4 such sign board are cut from the rectangular metal sheet 350cm long and 320cm wide what will be the area of the metal leftovers​

Answer 1

Answer:

the area of metal leftover is 112,000

Step-by-step explanation:

area =l×b 350×320=112,000

Answer 2

Area of the metal left is 94672 cm ²

Step-by-step explanation:

area of the one sign board = area of rectangle + area of triangle

area of rectangle = length × breadth

l = 76 cm

breadth = 38 cm

area of rectangle = 76 ×38 = 2888 cm ²

height  of the triangle = 76 cm - BC = 76-38 = 38 cm

base = 76 cm

area of triangle =

$\frac{1}{2}\times base \times height \\\\ \frac{1}{2}\times 76 \times38 = 1444 cm ^2$

area of the sign board =area of rectangle + area of triangle

= 2888 + 1444 = 4332 cm ²

length of  rectangle sheet = 350 cm

breadth of  rectangle sheet = 320 cm

area of the given rectangle sheet = length × breadth

350 ×320 = 112000 cm ²

area of 4 signs = 4   × area of 1 sign board

= 4   ×  4332

= 17328 cm ²

area of the metal left over = area of rectangle - area of 4 sign

= 112000 - 17328

= 94672 cm ²

hence , Area of the metal left is 94672 cm ²

#Learn more :

Circle of radius is 3cm is cut from square metal shaped of side 8cm .find area of leftover

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