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Mathematics
25.09.2022 04:52
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M∆abc=17x+8,m∆abk=42°, and m∆kbc=12x-4. find m∆abc
M∆abc=17x+8,m∆abk=42°, and m∆kbc=12x-4. find m∆abc
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Daisysolis136
4,7(74 marks)
So, we have as a given that:
measure angle ABK + measure angle KBC = measure angle ABC
Substitute with the givens and solve for x first.
42 + 12x - 4 = 17x + 8
42 - 4 - 8 = 17x - 12x
30 = 5x
x = 30/5 = 6
Therefore:
measure angle ABC = 17x + 8 = 17(6) + 8 = 110 degrees
manaisialockhart12
4,6(61 marks)
what time r u gonna do it?
Step-by-step explanation:
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