Current location - Trademark Inquiry Complete Network - Trademark registration - In order to promote a new product, a merchant solicited advertising terms and trademarks from the whole society. As a result, the trademark pattern as shown in the picture won the bid. Find the shaded
In order to promote a new product, a merchant solicited advertising terms and trademarks from the whole society. As a result, the trademark pattern as shown in the picture won the bid. Find the shaded
In order to promote a new product, a merchant solicited advertising terms and trademarks from the whole society. As a result, the trademark pattern as shown in the picture won the bid. Find the shaded area.
Idea: Subtract the area of ??the blank part from the total area
Solution: The total area is 1/4πa^2 2a^2,,
The blank part The area is 1/2×(2a a)×a=3/2×a^2,
The area of ??the shaded part is (1/4πa^2 2a^2)-3/2a^2=( π 2)/4×a^2.