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The base of an isosceles triangle ABC i...

The base of an isosceles triangle ABC is 10 cm and each of the equal angles is ` 45^(@)` . Construct the triangle and also construct its incircle . (Given construction sign only(.

Answer

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The base of an isoceles triangle is 10 cm and each of the equal angles is .45^(@) .By drawing this triangle, construct the incricle of it and hence determine its inradius. (Given construction signs only) .

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Knowledge Check

  • The perimeter of an isosceles triangle is 14 cm. The ratio of its lateral sides and base is 5:4 Then the area of the triangle is

    A
    `(1)/(2)sqrt(21)cm^(2)`
    B
    `(3)/(2)sqrt(21)cm^(2)`
    C
    `sqrt(21)cm^(2)`
    D
    `2sqrt(21)cm^(2)`

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