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andreyandreev [35.5K]
3 years ago
14

Find the value of x please

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0

Step-by-step explanation:

In isoceles triangle two sides are equal and two angles are equal.

Then,

∠R = ∠T = (5x-40)°

Then,

∠RTS + ∠STU = 180° (bcoz it lies on a straight line)

(5x-40) ° + 5x = 180°

10x = 220°

x = 22°

Therefore,

Option A is correct✔

bagirrra123 [75]3 years ago
3 0
It should be option A because it makes a lot of sense so your answer is correct
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