triangles (rapunzel retold)

This is a story of Rapunzel …

… but before we start, take note of the following …

RECALL:

Perpendicular lines

10cm

32cm

What happens to the base and height if these 8 blocks are skewed to a side?

10cm

32cm

Is there a change in height and base?

Here comes … the story of Rapunzel …

… retold …

Rapunzel, Rapunzel, please

let down your hair.

One day …

EARTHQUAKE!How will Rapunzel’s plait drop?

The End …

Area of =

½ x base x ht

Area of =

½ x base x ht

Area of =

½ x base x ht

Where is Height? Where is Base?

Where is Height? Where is Base?

Using your set square to find Base and Height …

Step 1: Find Base (Highlight)Step 2: Put your ruler on the Base.

Step 3: Slide your set-sq along the ruler

until it touches the ‘highest’ point. Step 4: Highlight the Height.

Step 1: Find Base (Highlight)Step 2: Put your ruler on the Base.

Step 3: Slide your set-sq along the ruler

until it touches the ‘highest’ point. Step 4: Highlight the Height.

10cm

15cmSteps?

10cm

15cmSteps?

10cm

15cm

5cm

Steps?