Mathematics, 25.07.2021 14:00 kingfptduong
Cho tứ giác abcd có ad=bc. các đường trung trực của ab và cd cắt nhau tại e. chúng minh rằng EAB=EDC
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Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.
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Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.
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Cho tứ giác abcd có ad=bc. các đường trung trực của ab và cd cắt nhau tại e. chúng minh rằng EAB=EDC...
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