Isosceles triangle

In an isosceles triangle, the arm's length and the length of the base are in a ratio of 3 to 5. What is the length of the arm?

Final Answer:

r =  375 mm

Step-by-step explanation:

o=1375 mm  o = 2 r+z r = 3/5   z  o=2 53 z+z 1375=2 53 z+z  1375=2 3/5 z+z  11z=6875  z=116875=625  z=625  r=53 z=53 625=53 625=51875=375 mm



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