There seems to be some confusion about dimensions in this question. Area is a two dimensional concept, there are three dimensions given for the shape in question.
It is possible that the object is a cuboid and the question concerns the surface area of the cuboid. Or the shape could be a triangle whose area is required. Unfortunately, there are too many different alternatives to try second guessing the question's intent.
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To find the area of a rectangle, you multiply its length by its width. In this case, the length is 6 cm and the width is 2 cm. Therefore, the area of the rectangle is 6 cm x 2 cm = 12 square cm.
6*5*5 = 150 square cm
To find the perimeter of a shape, you simply add up the lengths of all its sides. In this case, the perimeter would be 8cm + 6cm + 2cm + 5cm + 3cm + 8cm, which equals 32cm. So, the perimeter of the shape with sides measuring 8cm, 6cm, 2cm, 5cm, 3cm, and 8cm is 32cm.
It is 6/5 or 1.2/1
b=5cm/h=6cm