1) An acute angle is a) an angle less than 90∘ b) an angle more than 90∘ c) an angle more than 180∘ d) an angle more than 360∘ e) 90∘ 2) An obtuse angle is a) an angle less than 90∘ b) an angle more than 90∘ c) an angle more than 180∘ d) an angle more than 360∘ e) 90∘ 3) A right angle is a) an angle less than 90∘ b) an angle more than 90∘ c) an angle more than 180∘ d) an angle more than 360∘ e) 90∘ 4) This triangle can be classified as ___________ a) Obtuse b) Acute c) Right 5) This triangle can be classified as ______________ a) Obtuse b) Right c) Acute 6) Isosceles triangles (this type of triangle) have how many sides and angles that are equal a) 2 b) 1 c) 3 d) 0 7) Which color triangle shows an OBTUSE triangle? a) Pink b) Green c) Blue d) Yellow 8) Which color triangle shows an acute triangle? a) Yellow b) Blue c) Pink and Green d) Purple 9) What classification of triangle is the orange and blue triangles? a) Right b) Acute c) Obtuse 10) Which color triangle is obtuse? a) Blue b) Orange c) Purple d) green 11) What is the correct name for the triangle? a) < ABC b) ⩟ ABC c) ⩟ CMA d) ⩟ JKL 12) How many ACUTE angles does this triangle have? a) 0 b) 1 c) 2 d) 3 13) How many acute angles does this ACUTE triangle have? a) 0 b) 1 c) 2 d) 3 14) Which triangle shows an OBTUSE angle? a) ⩟ GHI b) ⩟ PQR c) ⩟ ABC d) ⩟ LMN

Attributes of Acute, Obtuse, and Isosceles Triangles

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