# 4เลือกประเภทWhat is the value of the angle in a right triangle?45 degrees60 degrees90 degrees120 degrees
# 6เลือกประเภทWhat is the perimeter of a square with side length 4 units?12 units16 units18 units20 units
# 9เลือกประเภทWhat is the sum of the angles in a triangle?90 degrees180 degrees270 degrees360 degrees