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notsponge [240]
3 years ago
14

What is the value of x? 74 138 69 148

Mathematics
2 answers:
wel3 years ago
5 0

Answer:

69

Step-by-step explanation:

All angles add up to 180 in a triangle.

Hope that helps

MissTica3 years ago
3 0
Assuming the triangle is isoceles as:
- The triangle has two sides that are the same

Angles in a triangle add up to 180.

The two angles at the base of an isoceles triangle are equal, therefore:

180 - 42 = 138 (Sum of the angles at the base)

138 / 2 = 69 (One of the equal angles)

So x = 69.

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