the diagram shows 3 identical circles inside a rectangle. each circle touches the other two circles and the sides of the rectangle. the radius of each circle is 2 mm. work out the exact area of the triangle. give your answer in the form a square root 3 +b where a and b are integers if you can get this right ill mark you brainliest
Answers
Answer:
Lightning
Lightning is a giant spark of electricity in the atmosphere between clouds, the air, or the ground. ... Lightning causes thunder! Energy from a lightning channel heats the air briefly to around 50,000 degrees Fahrenheit, much hotter than the surface of the sun.
Precautions
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Avoid water during a thunderstorm. Lightning can travel through plumbing. Avoid electronic equipment of all types. Lightning can travel through electrical systems and radio and television reception systems.
✯Stay away from wire fences, clotheslines, metal pipes, rails and other metallic paths which could carry lightning to you from some distance away. Avoid standing in small isolated sheds or other small structures in open areas. In a forest, seek shelter in a low area under a thick growth of small trees.
Answer:
Brazil faces the Atlantic Ocean along 4,600 miles (7,400 km) of coastline and shares more than 9,750 miles (15,700 km) of inland borders with every South American country except Chile and Ecuador—specifically, Uruguay to the south; Argentina, Paraguay, and Bolivia to the southwest; Peru to the west; Colombia