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1. a.
Answer:
Yes, a triangle can be formed with the given sides.
According to one of the properties of triangle know as triangle inequality property , the sum of any two sides of the triangle should be greater than the third side. Likewise, here 7.5cm + 3cm = 10.5cm is greater than 4cm and since the property acts to be true, a triangle can be formed.
1. b.
Answer:
Yes, a triangle can be formed with the given sides.
According to one of the properties of triangle know as angle sum property, sum of the angles should be equal to 180⁰. Likewise, here 50⁰ + 60⁰ + 70⁰ = 180⁰ and since the property acts to be true, a triangle can be formed.
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