eliv10153 eliv10153

24-11-2020
Mathematics

contestada

What is the answer to this problem?

What is the answer to this problem class=

Respuesta :

oscar236 oscar236

24-11-2020

Answer:

x = 4.

Step-by-step explanation:

These are exterior alternate angles which are congruent.

So 21x + 6 = 90

21x = 84

x = 4.

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