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04.01.2020 •
Mathematics
Acarpenter is building a rectangular bookcase with diagonal braces across the back as shown the carpender knows that angle adc is a right angle in that angle bdc is 32° greater than angle adb
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Ответ:
Let ADB = x, and then BDC = x+32.
x+x+32 = 90
2x = 58
x = 29 = ADB
so BDC = 61
Ответ:
0.3
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