20I%27m%20%20%5C%3A%20desperate%20%20-%20.%20-%20%20%7D" id="TexFormula1" title=" \sf \red{Help \: help \: help \: help \: I'm \: desperate - . - }" alt=" \sf \red{Help \: help \: help \: help \: I'm \: desperate - . - }" align="absmiddle" class="latex-formula">
2 answers:
Answer:
1. x = 20
y = 120
2. x = 263
Step-by-step explanation:
•••
As AOB is a line,
( 7x - 20 ) + 3x = 180
7x - 20 + 3x = 180
10x - 20 = 180
10x = 180 + 20 = 200
10x = 200
x = 200/10 = 20
Then, as COD is a line,
y + 3x = 180
y + 3(20) = 180
y + 60 = 180
y = 180 - 60 = 120
•••
2. Draw a parallel line AB and CD.
Then,
Angle BAE + Angle y = 180 [Co-interior angles]
56 + y = 180
y = 180 - 56 = 124
Angle DCE + Angle z = 180
41 + z = 180
z = 180 - 41
z = 139
Now, z + y = 139 + 124 = 263

Step-by-step explanation:
1)
7x+20°+3x=180°{straight angle}
10x=180-20
x=160/10
x=16°
again,
y=7x+20{vertically opposed angle r equal}
<h3>stay safe healthy and happy.</h3>
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