3 years ago

Help!!! please & explain if can:(

Mathematics

1 answer:

horsena [70]3 years ago

6 0

Answer:

x = 15

Step-by-step explanation:

AEB is a right angle, a right angle is 90 degrees

this means 5x+15 needs to equal 90

plug in 15 for x

5 x 15 + 15 = 90

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