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2 years ago

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Which equation can be used to find the answer? Christina climbs to the top of Mount Graham in Arizona. On the first day, she cli

mbs to an elevation of 1029 ft. The elevation of Mount Graham is 10,724 ft. How many total feet of Mount Graham’s elevation does Christina climb on the other days?
A. e + 1029 = 10,724 e = 9695 9695 ft
B. e = 1029 · 2 e = 2058 2058 ft
C. e = 10,724 ÷ 2 e = 5362 5362 ft
D. e – 1029 = 10,724 e = 11,753 11,753 ft

1 answer:

ZanzabumX [31]2 years ago

5 0

It would be A because 10,724 minus 1029 equals 9,695

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Secants AC and DB intersect at point E inside the circle. Given that the measure of arc CD = 40o, arc AB = 60o, and arc BC = 160

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Answer:

C. $130^{\circ}$

Step-by-step explanation:

Please find the attachment.

We have been given that secants AC and DB intersect at point E inside the circle. Given that the measure of arc $CD = 40^o$ , arc $AB = 60^o$ , and arc $BC = 160^o$ . We are asked to find the measure of angle AED.

We know that the measure of angle formed by two intersecting secants is half the sum of measure of the arcs by intercepted by the angle and its vertical angle.

$\angle AED=\frac{\widehat{BC}+\widehat{AD}}{2}$

Let us find measure of arc AD by subtracting measure of given arcs from 360 degrees as:

$\widehat{AD}=360^{\circ}-(60^{\circ}+40^{\circ}+160^{\circ})$

$\widehat{AD}=360^{\circ}-(260^{\circ})$

$\widehat{AD}=100^{\circ}$

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$\angle AED=\frac{260^{\circ}}{2}$

$\angle AED=130^{\circ}$

Therefore, measure of angle AED is 130 degrees and option C is the correct choice.

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3 years ago

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Step-by-step explanation:

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