Simple geometry can compute the height of an object from the object's shadow length and shadow angle using the formula: tangent(angleElevation) = treeHeight / shadowLength. 1. Using simple algebra, rearrange that equation to solve for treeHeight. (Note: Don't forget tangent). 2. Complete the below code to compute treeHeight. For tangent, use the Math. tan() method, described in the "math methods" link above.

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Usually, when we sniff packets, we are only interested certain types of packets. we can do that by setting filters in sniffing. scapy’s filter use the bpf (berkeley packet filter) syntax; you can find the bpf manual from the internet. set the following filters and demonstrate your sniffer program again (each filter should be set separately): (a) capture only the icmp packet. (b) capture any tcp packet that comes from a particular ip and with a destination port number 23. (c) capture packets comes from or to go to a particular subnet. you can pick any subnet, such as 128.230.0.0/16; you should not pick the subnet that your vm is attached to.

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