i need help!!!!!
You are standing on the beach looking out over the water. You see a sailboat off in the distance and want to try and figure out how far away it is. Being a sailboat aficionado, you know this particular boat has an 80-foot mast. You decide to use your 10-foot beach umbrella to calculate the distance to the boat. You lie down on the sand 20 feet away from your umbrella and are able to look out at the boat. The umbrella and the mast are now lined up. Determine how far away the boat is....... help me pleaseee friends ((:

Question

i need help!!!!!
You are standing on the beach looking out over the water. You see a sailboat off in the distance and want to try and figure out how far away it is. Being a sailboat aficionado, you know this particular boat has an 80-foot mast. You decide to use your 10-foot beach umbrella to calculate the distance to the boat. You lie down on the sand 20 feet away from your umbrella and are able to look out at the boat. The umbrella and the mast are now lined up. Determine how far away the boat is....... help me pleaseee friends ((:

zehanz · Answer

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This might be of help...

zehanz · Answer

Additional hint: the two right-angled triangles also have angle $\alpha$ in common, so you can use their similarity to calculate x. (x-20 prolly not needed).

anonymous · Answer

thanks .... this helps me too much

zehanz · Answer

YW!