What logo has 3 red rhombus?

Which of theese letters has one line of symmetry QRHT? The perimeter of a circle the distance around a circle? What instrument measures angle of elevation and angle of depression? What is a tool used to create circles and arcs? What is the area of a square with sides 7.5 cm in length? Does flushing a toilet make the shower hotter? How many meters squared are in a kilometer squared? How do you find the volume of a marble? What is the molecular geometry of SnCl5? How many pennies can you fit in a box that's 10cm high 10cm long and 10cm wide? What is the complement of 71 degree angle? What is the angle of rotation of a regular decagon? Vertices of a cube? Points where lines meet? A cylindrical vessel open at the top has diameter 20cm and height 14 cmfind the cost of tinplating it on the inside at the rate of Re1 per 100 square cm? How many degrees does one angle of a hexagon have? Radian measure of 120 degree angle? How many lines of symmetry does a heptadecagon have? What has 4 verticies 6 edges 4 faces? If a trapezoid is a parallelogram why is it?