Right triangle legs 6 and 8. Hypotenuse?

💡 Pythagoras a² + b² = c².

Area of a circle with radius 14 (use π = 22/7):

💡 πr².

A rectangle has perimeter 50 and length is 1.5× width. Find dimensions.

💡 2(l + w) = 50; l = 1.5w.