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  1. In an isosceles triangle, the measure of each of equal sides is 10 cm and the angle between them is 45°. the area of the triangle is
    1. 25 cm²
    2. 25
      2cm²
      2

    3. 25√2 cm²
    4. 25√3cm²
Correct Option: C


AB = AC = 10 cm

∴ Area =
1
be in A
2

=
1
× 10 × 10 × sin 45°
2

=
50
=
50 × √2
= 25√2cm²
22 × √2



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