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2 years ago

Please help me ASAP

Mathematics

1 answer:

Tatiana [17]2 years ago

3 0

Answer:

Step-by-step explanation:

an isosceles triangle, 2 angles equal to 45, one is 90 degrees

in this case a=b

c^2=a^2+b^2, lets solve for a, as it doesn't matter which leg we find first due to the fact that they are equal

c^2=2a^2

10^2=2*a^2

100/2=a^2

50=a^2

a=5 $\sqrt{2}$

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2 years ago

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Read 2 more answers

Solve. 90<img src="https://tex.z-dn.net/?f=x" id="TexFormula1" title="x" alt="x" align="absmiddle" class="latex-formula"> = 27.

Irina-Kira [14]

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You need to find the value of the variable "x".

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$log(m)^n=nlog(m)$

Apply logarithm on both sides of the equation:

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Now, applying the property mentioned before, you can rewrite the equation in this form:

$xlog(90)=log(27)$

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$If\ a=b,\ then\ \frac{a}{c}=\frac{b}{c}$

Therefore, you need to divide both sides of the equation by $log(90)$ . Finally, you get:

$\frac{xlog(90)}{log(90)}=\frac{log(27)}{log(90)}\\\\x=\frac{log(27)}{log(90)}$

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2 years ago