What is the formula to calculate the area of a circle? [#1257]

The formula to calculate the area of a circle is A = πr², where A is the area and r is the radius of the circle.

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The formula to calculate the area of a circle is A = πr², where A is the area and r is the radius of the circle.

The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.

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The Aryabhata spacecraft, named after the famous Indian astronomer, was India's first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.

Maqbool Fida Husain, an Indian contemporary painter who has been popularly known as “The Picasso of India”. M. F. Husain was called the 'Picasso of India' by the Forbes magazine.

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Maqbool Fida Husain, an Indian contemporary painter who has been popularly known as “The Picasso of India”. M. F. Husain was called the 'Picasso of India' by the Forbes magazine.

Margaret Hilda Thatcher was a British stateswoman and Conservative politician who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the longest-serving British prime minister of the 20th century and the first woman to hold the position. As prime minister, she implemented economic policies known as Thatcherism. A Soviet journalist dubbed her the "Iron Lady", a nickname that became associated with her uncompromising politics and leadership style.

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Margaret Hilda Thatcher was a British stateswoman and Conservative politician who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the longest-serving British prime minister of the 20th century and the first woman to hold the position. As prime minister, she implemented economic policies known as Thatcherism. A Soviet journalist dubbed her the "Iron Lady", a nickname that became associated with her uncompromising politics and leadership style.

The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

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The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

78,438 sq km

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78,438 sq km

Use of iron

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Use of iron

The perimeter is the distance around a shape, like the distance around a rectangle, triangle, or circle.

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The perimeter is the distance around a shape, like the distance around a rectangle, triangle, or circle.

Assam, a state in Northeast India, occupies approximately 78,438 square kilometers, which constitutes roughly 2.39% of India's total land area of 3,287,263 square kilometers.

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Assam, a state in Northeast India, occupies approximately 78,438 square kilometers, which constitutes roughly 2.39% of India's total land area of 3,287,263 square kilometers.

Kerala is referred to as the spice garden of India as it has a variety of spices and is popular in the entire world. Idukki and Wayanad are the major locations for the growth of spices in the entire state.

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Kerala is referred to as the spice garden of India as it has a variety of spices and is popular in the entire world. Idukki and Wayanad are the major locations for the growth of spices in the entire state.

The Statue of Unity is located in the Kevadiya colony in Gujarat, India, on Sadhu-Bet Island in the Narmada River, facing the Sardar Sarovar Dam. It is about 100 kilometers (62 miles) southeast of Vadodara, and 3.5 kilometers downstream from the dam. The statue is 182 meters tall and is a tribute to Sardar Vallabhbhai Patel, one of India's most important leaders.

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The Statue of Unity is located in the Kevadiya colony in Gujarat, India, on Sadhu-Bet Island in the Narmada River, facing the Sardar Sarovar Dam. It is about 100 kilometers (62 miles) southeast of Vadodara, and 3.5 kilometers downstream from the dam. The statue is 182 meters tall and is a tribute to Sardar Vallabhbhai Patel, one of India's most important leaders.