Posted by **marko** on Wednesday, March 21, 2012 at 10:57pm.

find the value of x in each triangle:

triangle x has 1 angle at 53 degree

for value x i got: 63.5 degree is that correct?

Classify each triangle.

7. The measures of 2 angles are :

45 degree and 45 degree

i got: acute

8. the measures of 2 angles are

15 degree and 47 degree

i got: acute

9. the measures of 2 angles are 53 degrees and 76 degrees. i got:

obtuse

10. the measure of 1 angle is 18 degree

it got: acute

11. the measures of 1 angle is 90 degree

i got; right

12. the measure of one angle is 115 degree

i got: obtuse

13. the measures of the angles of a triangle are 40 degree, 50 degree, and 90 degree.

a. classify the triangle by its angles.

i got ; acute

b. can the triangle be equilateral? why or why not?

I said no, because it has to have the same length

c. can the triangle be isoceles? why or why not? no because it does not have 2 congruent sides.

d. can you classify the triangle by its sides? why or why not?

yes because it an be scalene

can you check my answers? pls

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