WHAT IS THE BLUE AREA? MATHS OLYMPIAD QUESTION.

TRIGONOMETRIC IDENTITIES, MEASURATION OF LENGTH OF PLANE SHAPE RULES AND TRIANGULAR RULES ARE USED.
For more information on how to find the area value of blue region, please, we recommend that you watch the lecture video. Do not forget to subscribe to our channel to motivate us for more of free mathematics contents including videos. Like and Share to your networks that they may find the contents of our videos useful in learning and solving mathematics questions. Click the notification button to get text message whenever new video is uploaded into channel