2 years ago

Solve for y. A. 90° B. 115° C. 108° D. 130°

Mathematics

2 answers:

Mademuasel [1]2 years ago

4 0

A) 90 degrees. Because it is

jekas [21]2 years ago

3 0

Answer:

B. 115°

Step-by-step explanation:

The sum of angles in a Pentagon is 540°

90+112+135+88=425

540-425=115°

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$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \:x = 16$

____________________________________

$\large \tt Solution \: :$

If two polygons are similar, their corresponding sides ratios will be equal to each other.

$\qquad \tt \rightarrow \: \cfrac{8}{16} = \cfrac{2x - 20}{24}$

$\qquad \tt \rightarrow \: \cfrac{1}{2} = \cfrac{2x - 20}{24}$

$\qquad \tt \rightarrow \: 2x - 20 = \cfrac{24}{2}$

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