Question

∆LMN with ∠L = 30°, ∠M = 70° and ∠N = 80°.

Answer 1

Answer:Given Triangle LMN

with ∠L = 30°  & ∠M = 70°  & ∠ N = 80°

All the angles are different and lees than 90°

so this is an acute angle Triangle

other types of triangle :

if one angle = 90° then right angle

if two angle equal then isosceles

if all angle equal then equilateral

if one angle > 90° then obtuse

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