👆🏼Work out the length of BC in this triangle:

👉🏼A circular mirror has a diameter of 60cm to the nearest centimetre. Find the greatest possible area of the mirror. Give your answer in square centimetres

👇🏼Calculate

👈🏼Nino spins a biased spinner twice. The probability of the spinner landing on red is 0.1, white is 0.4, black is 0.3 and brown is 0.2. Find the probability of the spinner landing on the same colour twice.

🖐🏼Simplify