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389
21
21
Drawing not to scale
What is the value of x?
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71°

Step-by-step explanation:

well you can tell based off the 2 sides that are 21 units each that this triangle is isosceles, that means the 2 base angles are the same.

so 2x°+38°=180°

so 2x°=142°

so x=71°

answer: 10 meter

step-by-step explanation:

need details