Question

a circle which touches all sides of a triangle is called​

Answer 1

Answer:

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Step-by-step explanation:

a circle which touches all sides of a triangle is called an incircle or an inscribed circle

also radius of incircle is defined with special term called inradius

so inradius of any triangle is calculated using a formula as follows:-

so inradius=2×area of circumscribed triangle/perimeter of circumscribed triangle

hope it helped u a lot