Answer to Q191:
What is the area of the shaded region?
Area of the shaded portion will be:
= area of the rectangle - area of the circle
= (L x B) - (πr²)
= (3 x 2) - (π x 1 x 1) . Diameter is 2 so radius is 1
= 6 - π
Answer: 6 - π
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The cloud-based messaging platform is also adding Anonymous Group Admins feature. As per Telegram, this feature is being introduced for safer protests. As per the Telegram blog post, users can “Toggle Remain Anonymous in Admin rights to enable Batman mode. The anonymized admin will be hidden in the list of group members, and their messages in the chat will be signed with the group name, similar to channel posts.”
The campaign, which security firm Check Point has named Rampant Kitten, comprises two main components, one for Windows and the other for Android. Rampant Kitten’s objective is to steal Telegram messages, passwords, and two-factor authentication codes sent by SMS and then also take screenshots and record sounds within earshot of an infected phone, the researchers said in a post published on Friday.
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