An angle measuring between 90° and 180° is called _____. A.obtuse B.acute C.straight D.small
2 answers:
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Answer:
Step-by-step explanation:
Let x be the equal sides of the triangle .
The , the third side would be x+113 cm.
The perimeter is the sum of all sides of a triangle.
So , The perimeter of triangle would be x+x+(x+113)= 3x+113 --------(1)
Since , it is given that the perimeter of triangle is 525. -----(2)
So from (1) and (2) , we have
Then, third side =
Hence , the sides of a triangle are: