Above are two different models of the same diamond-shaped platform. if the length of side a is 4 cm, what is the length of side b?

5 cm5.25 cm10 cm6 cm

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

2,10,-50 next two numbers geometric sequence

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit