Answer:
1 is 16. 2 is 17.49 or 17.5 or 17 depends on how you're rounding.
Explanation:
1.
by using Pythagoras law
h²=p²+b²
17²=6²+x²
x=√{17²-6²)=√253=15.9=16approx
2.
x²=9²+15²
x=√306=17.49=17.5approx
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