## All Tasks

#### Relation of opposite angles

What’s the relation between α and β?

# Angles

Training

6

#### Angles of a triangle

Three lines create a triangle. What’s the value of angle γ?

# Angles

Reasoning

6

#### Opposite angles

If α = 45º then β = _____ º

# Angles

Learning

6

#### Relation of adjacent angles

What’s the relation between α and β?

# Angles

Training

6

#### Adjacent angles

α = 143°
β =___ °

# Angles

Training

6

#### Immediate integral

The primitive function, $\int \frac{1-x}{x^2+x-2}dx$, is:

# Integration calculus

Training

13