Because it is an isosceles triangle, the two base angles have to be the same, so
36°+36°=72°
angles in all triangles add up to 180°, so
180°-72°=108°
unknown=108°
Answer:
I am not so clear about this question
Answer:
B. 6358.5 square centimeters. This is right.
No this is not true because 3/5 + 4 equals 4.6 and 3/5 is 0.6