Question

Define
(1) Ratio
(ii) Angle​

Answer 1

Answer:

Angles larger than a right angle and smaller than a straight angle (between 90° and 180°) are called obtuse angles ("obtuse" meaning "blunt"). An angle equal to 12 turn (180° or π radians) is called a straight angle.

Answer 2

1.)the relation between two numbers which shows how much bigger one quantity is than another.

2.)the space between two lines or surfaces that meet, measured in degrees