the area of an equilateral triangle with side 203 cm,
16. In the below figure, triangle ABC = 69°, triangle ACB - 31°, find triangle bdc
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Step-by-step explanation:
I think of 80° because every triangle contain 180 and the sum of the 2 angles that are given is 100...
And of we subtract 100 from 180 we will get 80.
Thank you.
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