15 points
please answer fast .....it is urgent
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Answered by
1
Answer:
5 1/12 cm
Step-by-step explanation:
Side 1 = side 2 ( isosceles triangles have 2 equal sides)
Perimeter = side 1 + side 2 + side 3
10 3/4 = 2 5/6 + 2 5/6 + side 3
Side 3 = 10 3/4 - 2 5/6 - 2 5/6
Side 3 = 10 3/4 - 4 10/6
Side 3 = 43/4 - 34/6
Side 3 = 129/12 - 68/12
Side 3 = 61/12
Side 3 = 5 1/12 cm
Happy to help
Answered by
0
Answer:
Answer:
5 1/12 cm
Step-by-step explanation:
Side 1 = side 2 ( isosceles triangles have 2 equal sides)
Perimeter = side 1 + side 2 + side 3
10 3/4 = 2 5/6 + 2 5/6 + side 3
Side 3 = 10 3/4 - 2 5/6 - 2 5/6
Side 3 = 10 3/4 - 4 10/6
Side 3 = 43/4 - 34/6
Side 3 = 129/12 - 68/12
Side 3 = 61/12
Side 3 = 5 1/12 cm
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