1.The lid on a ceramic box is in the shape of a trapezium. The area of the lid is 36 square inches. The bases of the lid are 5 inches and 7 inches. What is the height of the lid?
2.The area of a circular lid to a tank is 550 sq ft. Find the radius of the lid.(rounded to the nearest hundredths)
3.Two cubes of edge 6 cm are joined to form a cuboid. Find the total surface area of the cuboid.
4.The radius and height of a right circular cylinder are 4 and 14cm respectively. Find the curved surface area and total surface area of the cylinder.
5.Factorise
b) 2x² + x – 3
c)12y² - 20y + 3
d) 25 - x²
6.Three angles of a quadrilateral are 75°, 90° and 75°, then find the fourth angle.
7.Each exterior angle of a regular polygon measures 8 degrees. How many sides does the polygon have? Show your work!
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