3 years ago

Please find x and a

Mathematics

1 answer:

aev [14]3 years ago

8 0

Answer:

x = 36

a = 25

Step-by-step Explanation

By Pythagoras Theorem:

$x = \sqrt{ {39}^{2} - {15}^{2} } \\ \\ x = \sqrt{1,521 - 225} \\ \\ x = \sqrt{1,296} \\ \\ x = 36 \\ \\ a = \sqrt{ {20}^{2} + {15}^{2} } \\ \\ a = \sqrt{400 + 225} \\ \\ a = 25 \sqrt{625} \\ \\ a = 25$

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