Good question from one of our readers.

Question: The shaded region is bounded by an equilateral triangle and 2 quarter arcs. Find the area of the shaded part, rounding off

your answer to the nearest whole number.

Answer’s way below

Comments are closed.

Umm where’s the answer?

Hi Nithesh, thanks for pointing it out. I’ve fixed the bad link so the answer shows now.

http://www.onsponge.com/forum/35-thinkingmathonsponge/3810-page-70-question-5-cut-and-paste

Solution over here

Ok thanks but how do you immediately deduce that the triangle is an equilateral triangle?

It’s stated in the question.