January SAT Math Questions

chesschamp
Sat, 23 Jan 2010 21:57:16 +0000

If anyone has time, please explain these ones please:

the PQRS line question (answer is apparently 8)

the measure of the angles within the cube (I got 90, answer is apparently 60)

The smallest perimeter of the isosceles triangle is 42. ( I thought it was 41).

Thanks!