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postnew [5]
3 years ago
5

Geometry Sem2 Quiz 1.2.1 - Isosceles Triangles 2. Find the value of x. x + 3 12

Mathematics
2 answers:
Monica [59]3 years ago
8 0

Answer:

9

Step-by-step explanation:

because isocelese triangle have 2 congruent and sence 9+3 =12 then the answer is 9

hope this helped:)

nirvana33 [79]3 years ago
5 0

Answer:

x = 9

Step-by-step explanation:

The angles in red are equivalent and the triangle is isosceles.

This means the sides with lengths 12 and x + 3 are equivalent.

x + 3 = 12

x + 3 - 3 = 12 - 3

x = 9

:)

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