6. RIGHT ANGLE TRIANGLE
a triangle in which one angle is 90* is called
right angle trinangle.
7. BASES OF RIGHT ANGLE TRIANGLE
right angle triangle is have keep three angles and three sides
one angle is 90* then to use find the sides of triangle is
pathagorem thermos.
8. APPLICATION OF TRIGNOMATTERY
trigonometry is used there are many fields in practical life .
astronomy 2 missile systems
measurement 4 navigations