1) Which of the following formulas is a formula for a triangle? a) 1/2×𝑏𝑎𝑠𝑒×ℎ𝑖𝑔ℎ b) 1/2×𝐵𝑎𝑠𝑒 𝐴𝑟𝑒𝑎×ℎ𝑖𝑔ℎ c) 𝑤𝑖𝑑𝑒×𝑙𝑜𝑛𝑔 2) What is this triangle called? a) Acute triangle. b) Equilateral triangle. c) Obtuse triangle. 3) What is this triangle called? a) Obtuse triangle. b) Isosceles triangle. c) Equilateral triangle. 4) What are the different types of triangles? a) 2 b) 4 c) 3 5) How many degrees are the interior angles of a triangle? a) 180° b) 250° c) 130° 6) How many degrees must an obtuse triangle have? a) 130° b) 90° c) 60° 7) How many sides can a triangle be divided into? a) 4 b) 3 c) 5 8) How many angles can a triangle be divided into? a) 3 b) 2 c) 5 9) How many degrees is a right-angled triangle? a) 60° b) 180° c) 90° 10) What is this triangle called? a) Equilateral triangle. b) acute triangle. c) Obtuse triangle.

Triangle

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