1.Two sides of a triangle are 12 cm and 20 cm. The perimeter of the triangle is 48 cm. What is the
third side?
Q2.A field is in the shape of a regular hexagon whose perimeter is 192 cm. Find the length of its each
side.
3.Find the area of a square origami sheet if its side is 12 cm.
4.If Area of a rectangular park in your colony is 6110 m2.
Find the length of the park if its width is 65 m.
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Step-by-step explanation:
1) Given,
Length of the two side = 12cm and 20cm
Perimeter of the triangle= 48cm
Now,
Perimeter of a triangle= a+b+c
48 = 12 + 20 + c
48 = 32 + c
48 - 32 = c
8 = c
Therefore the length of thr third side is 8cm