square flower bed is 3m 80cm long •lt is extended by digging a strip 50cm wide all around it• find the area of the enlarged flower bed and also the increase in the area of the flower bed good ans ​

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According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?