Question

Find the perimeter and the area of the shaded region in the adjoining figure, it is being given that OAB is an equilateral triangle of side 28 cm, and one end is a semi-circle on AB diameter

Answer 1

Answer:

Step-by-step explanation:

As the area of ur equalirateral triangle is 339.48 by using the formula of area of equilateral triangle

Now comes ur semicircle's area is 308 by using the formula for the area of a semicircle. And now let's add the areas of the two shapes 339.48+308=647.48

And now comes ur perimeter of equilateral triangle is 84 and the perimeter for a semicircle is 44

And now let's add all the perimeter 84+44=134

Here's ur solution hope it is correct and help u

Answer 2

here is a pic for your question.