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JulijaS [17]
3 years ago
10

Find the value of x and y that make these triangles congruent by HL.

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

Answer:  the correct option is (A) x = y = 2.

Step-by-step explanation:  We are given to find the values of x and y that makes the triangles in the figure congruent by HL.

From the figure, we note that

triangles ABC and AED are right-angled triangles with hypotenuse AC, AD and one congruent side BC, ED.

Also, AC = 2x + 3, AD = 3y+1, BC = x  and  ED = y.

Since the triangles are congruent by HL postulate, so we must have

x=y~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\\\\2x+3=3y+1~~~~~~~~~~~~~~~~~~~~(ii)

Substituting the value of x from equation (i) in equation (ii), we get

2x+3=3x+1\\\\\Rightarrow 3x-2x=3-1\\\\\Rightarrow x=2.

So, from equation (i), we arrive at

x = y = 2.

Thus, the correct option is (A).

hram777 [196]3 years ago
5 0
The answer is A). x=2 y=2
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