A triangle of sides 15 cm 14 cm 13 cm prove
1 answer:
Answer:
84 sq.m.
Step-by-step explanation:
Given : Sides of triangle are 13 cm,14 cm and 15 CM
To Find :find the area of the triangle
Solution:
We will use heron's formula :
Where
a = 13
b = 14
c = 15
Hence the area of the triangle is 84 sq.m.
Tip: use Heron's formula
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Answer:
Step-by-step explanation:
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-2x + y = 9
-4x - y = 9
----------------- +
-6x = 18
x = -3
-2x + y = 9
-2(-3) + y = 9
6 + y = 9
y = 3
D since -8 multiplied by -4 is 32 and the symbol is less than 32 not equal to so it is not part of the solutions.
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