Question

construct triangle ABC in which AB=4cm,BC=7cm and CA=3cm .Which type of triangle is this?


can you send steps of construction to the question???

I will mark you as the brainlest
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Answer 1

triangle ABC with AB=4cm,BC=7cm and CA=3cm   Point A , B & C are Colinear

Step-by-step explanation:

triangle ABC in which AB=4cm,BC=7cm and CA=3cm

AB + CA  = 4 + 3 = 7 cm = BC

but for a Triangle Sum of any tow sides > third side

but AB + CA = BC

=> triangle ABC is not possible

Another way

Find Area

4  ,  3   , 7

s = (4 + 3 + 7)/2 = 7

Area of Triangle = √7(7-4)(7-3)(7-0) =  0

=> Point A , B & C are Colinear

Learn more

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