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egoroff_w [7]
2 years ago
14

MORE HELP :( acellus work

Mathematics
1 answer:
Ivenika [448]2 years ago
7 0

A<u> triangle</u> is a <em>plane shape</em> bounded by three straight sides, thus it has three internal <em>angles</em>. Therefore, the required <em>values</em> are:

i. x = 40^{o}

ii. y = 120^{o}

A <em>plane shape</em> is a figure bounded by<u> straight</u> sides. Examples are triangles, squares, rectangles, rhombus, kite, trapezium, etc. A triangle is an example of a plane shape that has three<em> sides</em>, thus three <u>angles.</u> also, the sum of <em>angles</em> in a given triangle is 180^{o}.

Thus the required values of x and y can be determined as follows:

x + 20 + 120 =  180^{o}

x + 140 =  180^{o}

x =  180^{o} - 140

So that,

x = 40^{o}

Thus,

y = 20 + 120 (the sum of<em> opposite</em> angles is <em>equal</em> to an exterior angle.)

            = 120^{o}

Therefore, x = 40^{o} and y = 120^{o}

For more clafifications on sum of angles in a traingle, visit: brainly.com/question/21680544

#SPJ1

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