Cho hình chóp S. ABCD có đáy là hình vuông cạnh a, đường thẳng SA vuông góc với đáy, đường thẳng SB tạo với mặt đáy góc . Khi đó thể tích khối chóp S. ABCD là

the correct answer to your question is a. 4^4

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angle addition postulate

2x=56

step-by-step explanation:

i think it is 18

step-by-step explanation:

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: