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Two triangular tiles have sides { $x, x + 2, x + 4$ } and {7, 9, 11} respectively and are congruent by SSS.
Find the value of $x$ .

Class 9SSS and RHS CongruenceGeometry — Triangles

A7
B8
C14
D6

Step-by-Step Solution

Matching smallest to smallest:

x = 7, x + 2 = 9, x + 4 = 11

. All consistent, so

x = 7

.

Answer: A) 7

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