how many spins does a snowboarder do in 540 degrees?

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.