Chords of a Circle

Two triangles are similar if and only of their corresponding are equal:

• Sides A
• Points B
• Angles C
• Squares D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

The sum of the squares of the sides of a rhombus is equal to the sum of the squares of its:

• Sides A
• Diagonlas B
• Medians C
• Altitude D

Three times the sequence on any side of an equilateral triangle equal to four times the square on the:

• Median A
• Altitude B
• Side C
• Vertex D

Cot 45° =

• 1 A
• -1 B
• 0 C
• Not defined D

Tan 180° =

• 0 A
• 1 B
• Not defined C
• -1 D

Sec 270° =

• 0 A
• 1 B
• -1 C
• Not defined D

Which mathematical expression is correct:

• 
  A
• 
  B
• 
  C
• 
  D

Sin 60° =

• 1 A
• 0 B
• 
  C
• 
  D

In an equilateral triangle ABC, then side BC is trisected at D then:

• 
  A
• 
  B
• 
  C
• 
  D

The medians of equiangular triangles are proportional to their corresponding:

• Sides A
• Angle B
• Point C
• Altitude D

The sum of the squares of sides of a rhombus is equal to the sum of the squares of its:

• Sides A
• Diagonlas B
• Medians C
• Altitude D

• Sides A
• Angles B
• Squares C
• Vertex D

Acute angle is:

• 80° A
• 60° B
• 90° C
• 120° D