3 years ago

Help me solve (b) in this quadrilateral

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

5 0

Answer:

Hello!

The answer is 87 degrees!

I hope I was of help! If not please let me know! Thank you!

Step-by-step explanation:

Savatey [412]3 years ago

3 0

Answer:

b = 87°

Step-by-step explanation:

In order to answer this question, we need to utilise an important angle fact which is <em>angles in a quadrilateral add up to 360° </em>

Using the information we can set up an equation to find the value of b

→ Form equation

63 + 140 + 70 + b = 360

→ Simplify

273 + b = 360

→ Minus 273 from both sides isolate b

b = 87°

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