Help with 1 4 and 5 I don't get it
1 answer:
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You can use the similarity approach of these two triangles CBD and CAE
as a result:
so:
? = 6x^2 / 10 = 0.6 x^2
and the fact of:
Back to:
? =0.6 x^2 = 0.6 * 10^2 = 0.6 * 100 = 60
A
Hope that helps
as a result:
so:
? = 6x^2 / 10 = 0.6 x^2
and the fact of:
"The segment connecting the midpoints of two sides of a triangle is parallel to the third side and equals its half length"
so:BD = 0.5 AE 10 = 0.5 * 2x >>> x= 10Back to:
? =0.6 x^2 = 0.6 * 10^2 = 0.6 * 100 = 60
A
Hope that helps
<h3>The measurement of the central angle is 135 degrees</h3>
<em><u>Solution:</u></em>
<em><u>The length of arc when angle given in degrees is given as:</u></em>
Where,
r is the radius
is the central angle in degrees
From given,
Substituting the values we get,
Thus the measurement of the central angle is 135 degrees