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View: 4469|Reply: 3
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[Edisi Math]
masalah slope
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apakah yg diaksudkan dengan slope 1:6. bagaimana utk tukarkan kedalam nilai sudut yg boleh difahami Last edited by midory on 4-4-2013 10:27 PM
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1:6 slope will give as total angle of 19 degree being the arctangent 1/6 = 9.46 degrees and 1:8 slope = 14.2 degree being arctangent 1/8 = 7.125 degrees |
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1:6 tu adalah ratio panjang sisi utk segi empat.. mcm gambar ni..
istilah slope 1:6 digune utk dptkn sudut θ..
utk cari θ, tan θ = 1/6
θ = arctan 1/6
= 9.46 |
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Category: Belia & Informasi
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Post time 29-2-2012 11:16 PM
变色卡
