3 years ago

PLS HELP

Mathematics

1 answer:

statuscvo [17]3 years ago

5 0

Answer:

A: x=16

B: ∠A=22

Step-by-step explanation:

The angles in a triangle always add up to 180. Therefore:

∠A+∠B+∠C=180

(2x-10)+(3x)+(4x+46)=180

2x+3x+4x+46-10=180

9x=180-36

x=144/9

x=16

∠A=2x-10

∠A=2(16)-10

∠A=32-10

∠A=22

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