in triangle ABC AB is equal to 12 CM BC is equal to 9 cm and area is equal to 6 cm find the area of ABC
Answers
Your Q. is not written properly...
But I'll still answer...
If u think the answer is wrong then post it again...
Explaination:-
Given in the Q,
AB = 12cm
BC = 9cm
AD = 6cm
AC = *not given*
To Find:- Area of Triangle ABC.
Pythagoras Theorem will be applied here, i.e. In mathematics, the Pythagorean theorem, or Pythagoras's theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides
《 NOTES:- Hypotenus is the longest side of the triangle. It is opposite to right angle》
Now a per the theorem, the formula will be:- H²=B²+S² { { H = Hypotenus }
{ B = Base }
{ S = The 3rd Side }
《 NOTE:- These letters given in the formula are given by me, so it would differ in ur T.B.》
Now, if we put the numbers in the Equation we will get the following:-
(12)² = (9)² + (x)²
144 = 81 + x²
144 - 81 = x²
63 = x²
root 63 = x
7.937 = x
Rounding of we will get 8cm as the answer.
Therefore, AC is 8cm
HOPE IT HELPS :)
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