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Ugo [173]
3 years ago
10

MATHS QUESTION Any help for another maths questions I just don't get what to do thank you ❤

Mathematics
1 answer:
levacccp [35]3 years ago
4 0
Look at the picture.

a) 180° - 45° = 135°


b) Use trigonometric function

\tan(\angle DBA)=\dfrac{45}{30}\\\\\tan(\angle DBA)=1.5\\\\m\angle DBA\approx56^o

270° - 56° = 214°


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