Angles Part 2

Are the angles 1 and 2 given in Fig. 16 adjacent angles?

Two supplementary angles are in the ratio 2:3. Find the angles.

Two supplementary angles are in the ratio 2:3. Find the angles.

Angles of a triangle are in the ratio 2 : 4 : 3 . The smallest angle of the triangle is

Two complementary angles are in the ratio 2: 3 , find these angles

Two supplementary angles are in the ratio of 2: 7 , find the angles

A positive acute angle is divided into two parts whose tangents are 1/2 and 1/3. Show that the angle is (pi)/(4).

The object at rest suddenly explodes into three parts with the mass ratio 2:1:1 . The parts of equal masses move at right angles to each other with equal speeds. What is the speed of the third part after the explosion?

A bomb of mass 5m at rest explodes into three parts of masses 2m , 2m and m . After explosion, the equal parts move at right angles with speed v each. Find speed of the third part and total energy released during explosion.

Complex number part 2