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alexira [117]
3 years ago
8

Find The size of angle XYZ Give your answer to 1 decimal place Angle XY 6cm Angle ZY 15cm

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer: 3\sqrt{21}

Step-by-step explanation:

(xy)^{2}+(xz)^2=(yz)^2\\so, (6)^{2}+(xz)^2=15^2   \\(xz)^2=225-36\\xy=3\sqrt{21}

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