Mathematics: Help this is kida hard for me

Help this is kida hard for me - id11022895, ajayrose

Ответ:

BardiFan

16.04.2022

Mathematics

5, 12, 13

Step-by-step explanation:

because

5²+12²=169

root 169= 13

basically it's this because the numbers are still whole

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Ответ:

ndurairajownkpq

05.05.2021

Mathematics

The correct answer is option A) 55⁰.

Step-by-step explanation:

As we know that the sum of interior angles of triangle is 180⁰.

So, adding all the given sides and subtracting to 180⁰, to find the value of x.

$\begin{gathered}\quad\longrightarrow{\rm{Sum \: of \: all \: angles = {180}^{\circ}}}\\\\\quad{\longrightarrow{\tt{(x + 62) + ({45}^{ \circ}) + (87 + x) = {180}^{\circ}}}}\\\\\quad{\longrightarrow{\tt{(x + x) + (62 + 45 + 87)= {180}^{\circ}}}}\\\\\quad{\longrightarrow{\tt{(2x) + (107 + 87)= {180}^{\circ}}}}\\\\\quad{\longrightarrow{\tt{(2x) + (194)= {180}^{\circ}}}}\\\\\quad{\longrightarrow{\tt{(2x)= {180} - 194}}}\\\\\quad{\longrightarrow{\tt{(2x)= - 14}}}\\\\\quad{\longrightarrow{\tt{2x= - 14}}}\\\\\quad{\longrightarrow{\tt{x= \dfrac{ - 14}{2}}}}\\\\\quad{\longrightarrow{\tt{\underline{\underline{x = - 7}}}}}\end{gathered}$

Hence, the value of x is -7.

$\begin{gathered}\end{gathered}$

Now, we know the value of x. So, calculating the measurement of angle A.

$\begin{gathered}\qquad{\leadsto{\tt{A = x + 62}}}\\\\\qquad{\leadsto{\tt{A = - 7 + 62}}}\\\\\qquad{\leadsto{\tt{\underline{\underline{A = {55}^{ \circ}}}}}}\end{gathered}$

Hence, the measurement of angle A is 55⁰.

$\rule{300}{2.5}$

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