Mathematics, 23.07.2021 07:10, organicmemez

trong không gian, cho hình chóp OABC có OA, OB, OC đôi 1 vuông góc và cùng độ dài a. Chứng minh rằng OA vuông góc BC

Answers: 2

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Mathematics, 21.06.2019 22:30, tiannaetzel

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

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Mathematics, 21.06.2019 22:50, kallee10

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

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Mathematics, 22.06.2019 05:00, pinapunapula

Me because i don't understand how to do it.: )

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Mathematics, 22.06.2019 05:20, ricky9070

Find the measure of angle abc. a. 124 b. 97 c. 56 d. 51

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trong không gian, cho hình chóp OABC có OA, OB, OC đôi 1 vuông góc và cùng độ dài a. Chứng minh rằng...

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