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1 September, 18:01

Find ∠C and hence classify each triangle according to:

a. the number of equal sides it has, and

b. the type of angles it has, e. g. equilateral triangle & acute-angled

triangle.

Given Angles ∠C Number of equal

sides

Types of Triangle

∠A = 20

∠B = 60

+1
Answers (1)
  1. 1 September, 18:08
    0
    a) 0

    b) scalene and obtuse

    Step-by-step explanation:

    ∠A = 20

    ∠B = 60

    ∠C = 180 - 20 - 60 = 100 (obtuse)

    Since none of the angles are equal, no sides are equal either

    So, it's a scalene triangle

    Since one angle is obtuse, it's an obtuse triangle
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