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mr_godi [17]
3 years ago
8

Please help immediately and please show working

Mathematics
1 answer:
SOVA2 [1]3 years ago
8 0

Answer:

x = 9

y = 9\sqrt{2}

Step-by-step explanation:

Since there is a 45° angle and a 90° angle, this is a isosceles triangle, therefore x = 9 and you can find y by pithagoras:

9² + 9² = y²

81 + 81 = y²

y = \sqrt{162}

y=\sqrt{2 * 81}

y=\sqrt{2 * 9^2}

y=9\sqrt{2}

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