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5 votes
Please find x and a​

Please find x and a​-example-1
User Aritz
by
7.8k points

1 Answer

7 votes

Answer:

x = 36

a = 25

Step-by-step Explanation

By Pythagoras Theorem:


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

User Andras Vass
by
8.4k points

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