a square and a equilateral triangle have the same perimeter the perimeter of the triangles is 12(z-2)cm.the perimeter of the squ
2 answers:
A square and a equilateral triangle have the same perimeter the perimeter of the triangles is 12(z-2)cm.the perimeter of the square is 4x cm find the perimeter of each figure by writing and solving an equation for the variable of x. what is the value of x
<h2>SOLUTION</h2>- ➝ 12(x - 2) = 4x
- ➝ 12x - 24 = 4x
- ➝ 12x - 4x = 24
- ➝ 8x = 24
- ➝ x = 3
Therefore, the value of x is 3
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Answer:
Option A is correct
True, ΔABC and ΔDEF must be congruent.
Explanation:
LA theorem or Postulates states that given two right triangles, where one acute angle and a leg of one of the triangles are congruent to an angle and a leg of the other triangle, then the two triangles are congruent.
In ΔABC and ΔDEF
AB = DE [Leg] [Given in the figure]
[Given]
[Acute angle] [Given in the figure]
Then, by the LA theorem or Postulates;
therefore, ΔABC ΔDEF .
