Mathematics, 31.07.2021 14:50 jarrettashlyn
Bài 9: Cho ∆ABC có AC > AB, trung tuyến AM. Trên tia đối của tia MA lấy
điểm D sao cho MD = MA . Nối C với D
a. Chứng minh .Từ đó suy ra:
b. Kẻ đường cao AH. Gọi E là một điểm nằm giữa A và H. So sánh HC và
HB; EC và EB.
Answers: 1
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Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
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The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?
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Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie
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Bài 9: Cho ∆ABC có AC > AB, trung tuyến AM. Trên tia đối của tia MA lấy
điểm D sao cho MD = MA ....
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