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iogann1982 [59]
3 years ago
7

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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