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Answer:
Step-by-step explanation:
Isosceles triangle, so bisecting angle KLM makes two right triangles of base 10/2 = 5 and hypotenuse of 13
13² = 5² + h²
h = 12
Area of the isosceles triangle is twice the area of one right triangle
A = 2(½)bh = bh = 5(12) = 60 in²