Lscifa
Lscifa Lscifa
  • 04-04-2018
  • Mathematics
contestada

Two angle measures in a triangle are 42° and 39°. What type of triangle is it?

A. acute

B. obtuse

C. right

D. isosceles

Respuesta :

Belfium
Belfium Belfium
  • 04-04-2018
?? Scalene triangle because none of the angles are the same
Answer Link
mkryukova19 mkryukova19
  • 04-04-2018
180 -(42+39)=180-81=99 (3d angle is more than 90, it is 99, obtuse angle),
if triangle has one obtuse angle , then it is B. obtuse
Answer Link

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