Book Maths Puzzle Area and Volume

I am a little rusty with this, but a triangle with 50/65/65 degree angles. The side between the 65 degree angles is 60 inches, what is the lenght of the other 2 sides??

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Book Other Question

a) Jim is going to put new carpet in his bedroom. Jim's bedroom is 10ft. by 12ft. How many square feet of carpet does he need?

b)Jim also needs some new base bored to go around the room. How much does he need? Find the solution sets of the following equation: x+1/y+1=2

2x+1/2y+1=1/3