All about Right Triangles

This shape is

• A square

• a rectangle

• a right angled triangle

• a regular (equilateral) triangle

Tags

CCSS.5.G.B.4

Which of these describe this triangle?

• an isosceles triangle

• a scalene acute angled triangle

• a scalene obtuse angled triangle

• a scalene right angled triangle

Tags

CCSS.4.G.A.2

Which of these describe this shape?

• An isosceles right angled triangle

• a scalene acute angled triangle

• a scalene obtuse angled triangle

• a scalene right angled triangle

Tags

CCSS.4.G.A.2

A triangle is isosceles and right angled. Which of these statements must be FALSE?

• The triangle has angles of 45 degrees, 45 degrees, and 90 degrees.

• The triangle has 2 of the sides equal.

• The triangle has sides with lengths of 3, 4 and 5.

• The triangle has one line of symmetry.

Tags

CCSS.4.G.A.2

If one diagonal of the rectangle is drawn, dividing the rectangle into 2 triangles, the 2 triangles are:

• isosceles right angled triangles

• scalene right angled triangles

• scalene obtuse angled triangles

• scalene acute angled triangles

Tags

CCSS.HSG.CO.C.11

Derek made 2 of these triangles and cut them out. He joined the edges of the triangles to make shapes. Which of these shapes could he NOT make?

• kite

• square

• parallelogram

• an isosceles

Tags

CCSS.1.G.A.2

Peter made 2 copies of this isosceles triangle and cut them out. He joined the edges of the triangles to make shapes. which of the shapes could he NOT make?

• an equilateral triangle

• a square

• an isosceles triangle

• a parallellogram

Tags

CCSS.1.G.A.2

One angle of a right angled triangle is 67 degrees. What us the size if another angle of the triangle?

• 13 degrees

• 54 degrees

• 23 degrees

• 102 degrees

Tags

CCSS.7.G.B.5

One angle of a right angled triangle is 36 degrees. What is the size of another angle of the triangle?

• 98 degrees

• 54 degrees

• 14 degrees

• 47 degrees

Tags

CCSS.7.G.B.5

How many equilateral triangles do you see?

• 4

• 356

• 13

• 280

Tags

CCSS.1.G.A.2