Question

(aj 10 m The mesure of one of the equal angles of an isosceles right angled triangle is (b) 45 (c) 60 d) 75 TAL MATHS Fin the blanks: In a scalene triangle the measures of all the three angles are The longest side of a right angled triangle is If two angles of a triangle are 36 and 68', then the third angle is fied The sum of the two acute angles in a right angled triangle is the square of one side of a triangle is equal to the sum of the squares of the other two then the triangle is 205​

Answer 1

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a) 45

As in a right angled triangle, one angle is 90. If it is isosceles too, then 2 sides are equal, meaning the other two angles are equal too. Let that angle be x

2x + 90 = 180

2x = 90

x = 45

b) 180

The sum of all angles of a triangle is 180, regardless of its type.

c) 78 degrees

Let the third angle be x

36 + 68 + x = 180

104 + x = 180

x = 76

d) 90 degrees

Let those acute angles be x and y

x + y + 90 = 180

x + y = 90