Question

Help me please , help me please​

Answer 1

QUESTION :

Find x in the given quadrilateral.

X

120°

80°

60°

CHOICES

a. 100°

b. 120°

c. 150°

d. 180°

ANSWER:

$\boxed{\sf A.100}$

Solution:

$\begin{gathered}\rightarrow\boxed{\sf 120+80+60+x=360 } \\ \rightarrow\boxed{\sf x=360-260 } \\ \rightarrow\boxed{\sf x=\blue1\blue0\blue0 }\end{gathered}$

To find x in quadrilaterals, Firstly let's say the given quadrilaterals, So the result is 360, then subtract it by 260 maybe when you say 3 numbers it the result is 260.Therefore the answer is 100

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Answer 2

Answer: A 100

Step-by-step explanation:

120+80+60+x=360

x=360-260

x=100