You are asked to draw a triangle using three of the following angles: 0°, 30°, 45°,55°, 60°, 80°, 90°, 105º. Which triangle cannot exist?

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

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?