hermi111
contestada

please help, I really don't understand how I work out the answer to this question and my teacher didn't teach it to us very well :/ ​

please help I really dont understand how I work out the answer to this question and my teacher didnt teach it to us very well class=

Respuesta :

mehriaazim224

Answer:

7x+5x+18=90

12x=90-18

12x=72

x=6

Step-by-step explanation:

pythagoras law

Hi1315

Answer:

Smallest angle =

[tex]7x[/tex]

[tex]7 \times 6 \\ = 42 \: \: degrees[/tex]

Step-by-step explanation:

[tex]7x + 5x + 18 = 90 \\ 12x = 90 - 18 \\ 12x = 72 \\ \frac{12x}{12} = \frac{72}{12} \\ x = 6 \\ \\ 7x \\ 7 \times 6 \\ = 42 \: \: degrees \\ \\ 5x + 18 \\ 5 \times 6 + 18 \\ 30 + 18 \\ 48 \: \: degrees \\ [/tex]

Otras preguntas