Triangles

Question 1

What is a triangle?

Answer 1

A triangle is a plane figure with 3 sides, 3 vertices and 3 angles. All three angles must add up to 180º

Question 2

what type of triangle is shown?

Answer 2

A right triangle because one angle forms 90º

Question 3

what type of triangle is shown?

Answer 3

Isosceles triangle because two sides measure the same angle.

Question 4

What type of triangle is shown?

Answer 4

equilateral triangle because all sides measures the same and total to 60º

Question 5

What type of triangle is shown?

Answer 5

Scalene triangle because all sides are unequal.

Question 6

what type of triangle is shown?

Answer 6

An acute angle because all angles are less than 90º

Question 7

what type of triangle is shown?

Answer 7

An obtuse triangle because one angle is greater than 90º

Question 8

find the value of x and identify the type of triangle

Answer 8

33º and it’s an obtuse triangle

isolate the variable X

124 + 23 + x =180

Question 9

find the value of x and idenfify the type of triangle

Answer 9

x= 120 and it’s an obtuse triangle.

40+20+3x=180

Question 10

solve for c and identify the type of triangle

Answer 10

c= 65º and it’s a right triangle

25+90+c=180