The answer is definitely 7xf
Answer:
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Step-by-step explanation:
The voloum is 8 cubic cm.
Answer:
asking
Step-by-step explanation:
stop
Answer:
84 square units.
Step-by-step explanation:
<h2>Area of scalene triangle:</h2>
Here, a, b and c are the sides of the triangle. s is the semi perimeter.
a = 13
b = 14
c = 15
s -a = 21 - 13 = 8
s -b = 21 - 14 = 7
s - c = 21 - 15 = 6