Episode 1 of 13
A triangle in a square
The question
Work out the area of the shaded triangle. PQRS is a square with sides of 14 cm, and ST = TR.
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Answer
49 cm²
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Episode 1 · Now playing
A triangle in a square
0:16
Episode 2
Half of a triangle
0:22
Episode 3
Area of a kite
0:17
Episode 4
A figure made of two triangles
0:17
Episode 5
A square tile of four triangles
0:25
Episode 6
Triangles on a grid, box and take away
0:21
Episode 7
A white triangle cut out of a rectangle
0:17
Episode 8
A white triangle cut out of a triangle
0:27
Episode 9
A six-sided figure with four equal sides
0:18
Episode 10
An arrowhead inside a triangle
0:27
Episode 11
A triangle in a rectangle of 90 cm²
0:26
Episode 12
Triangle KPR across two squares
0:22
Episode 13