Answer:
Step-by-step explanation:
5 - 2x^2 = -15
2x^2 = 20
x^2=10
x=
Whats the answer to number 9?
1 answer:
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The area of the triangle ABC is 81. 33 square units.
We have to determine
What is the area of triangle ABC?
<h3>What is the formula for the area of a triangle?</h3>The area of the triangle is determined by;
Where the value of s is = a + b + c= 12 + 14 + 16 = 42
Substitute all the values in the formula;
Hence, the area of the triangle ABC is 81. 33 square units.
To know more about the Area of the triangle click the link given below.