triangles (rapunzel retold)
TRANSCRIPT
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?