ek6307 ek6307
  • 21-03-2020
  • Mathematics
contestada

please help with this ill give brain-liest

please help with this ill give brainliest class=
please help with this ill give brainliest class=

Respuesta :

Аноним Аноним
  • 21-03-2020

Answer:

it's a right triangle.

Step-by-step explanation:

ACCORDING TO PYTHAGORAS THEOREM IT'S A RIGHT TRIANGLE.

Answer Link
Danboghiu66
Danboghiu66 Danboghiu66
  • 21-03-2020

Answer:

Obtuse triangle

Step-by-step explanation:

For right triangle: check if 10²+12²=16²:

10²+12²=100+144=244 not equal to 16²=256.

So no 90⁰ in this triangle.

If we apply the cosine theorem:

16²=10²+12²-2×10×12×cos(A), cos(A) should be < 0 so that 10²+12²+something=16².

So the angle A >90 (its cosine<0), the triangle is obtuse.

Obs: A is the angle opposed to side of 16

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