Maths with David

2 February

Answer the three questions below using this diagram:

👆🏼Find the length of BD

👇🏼Find the length of BC

🖐🏼Find the size of angle DBC

👉🏼Calculate $36^{ \frac{1}{2} } + 8^{ \frac{1}{3} } \times 27^{ \frac{2}{3}}$

👈🏼The two arrows in the below diagram are mathematically similar. If the area of the top arrow is 12cm², what is the area of the bottom arrow?

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