Answer:
the area is 735
Step-by-step explanation:
using the fomular 1/2(the base *the height you solved for the area
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5- 12 centimeters is equal to 0.12 m:
the last one is true
6-
the second one is true
Answer:
19.81cm^2
Step-by-step explanation:
To solve this, you need to use Heron's formula. Heron's formula solves for the area of a triangle given 3 sides defined as a, b, and c, as well as the perimeter. In this formula, p is half of the perimeter. The formula is:
sqrt(p*(p-a)*(p-b)*(p-c))
Plugging the values into this formula gives 19.81cm^2.
-1*-6=6
-1+(-6)=-7
Hope that helped
