Question

1. If two angles of a triangle are 41 du 40 , IMU u uu ulju
2. If one acute angle of a right triangle is half of the other, find both of them.
3. The angles of a triangle are in the ratio 5:6:7. Find the angles.
4. The angles of a triangle are (x + 10)°, (x + 40° and (2x - 30)°. Find the value of
x and assign a special name to the triangle.
5. In an isosceles AABC, the measure of vertex angle A is 30° more than the
measure of each base angle. Find the measure of each angle of the triangle.
6. One angle of a triangle is 65°. Find the remaining two angles if their difference
is 20°
7. The sum of two angles of a triangle is 80° and their difference is 20°. Find all
the angles of the triangle.
8. In a triangle ABC, ZA - ZB = 15°, ZB - ZC = 30°. Find the measures of each
angle of the triangle.
9. In a triangle ABC, if ZA + 2B = 122°, ZB + ZC = 111°, find the measures of ZB
and ZC.
(CBSE SP 2010)
10. If each angle of a triangle is less than the sum of the other two, then show that
the triangle is acute angled.
11. If one angle of a triangle is greater than the sum of the other two, then show
that the triangle is obtuse angled.​

Answer 1

Answer:

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