3 years ago

Please help ASAP will give brainleist

Mathematics

1 answer:

Sergio039 [100]3 years ago

6 0

Answer:

x = 48

Step-by-step explanation:

The triangle above is an isosceles triangle because it has two equal sides.

In an isosceles triangle, the two angles opposite the two equal sides are also equal to each other. This means that m<Y = m<Z.

Therefore:

2×x + 84 = 180° (sum of ∆)

2x + 84 = 180

Subtract 84 from both sides

2x = 180 - 84

2x = 96

Divide both sides by 2

2x/2 = 96/2

x = 48

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