Answer to Question #299930 in Geometry for Lawincie Buduan

Question #299930

If m<SDN=5x-2 and m<DNA=3x+4.


a. Find m<SDN


b. Find m<DSA



1
Expert's answer
2022-02-21T16:55:46-0500

If angles <𝟏 𝐚𝐧𝐝 <𝟐 are corresponding, or alternate interior, or alternate exterior, then they are equal, hence their measures are equal


thus;

"\ud835\udfd1\ud835\udc99 + \ud835\udfd2 = \ud835\udfd3\ud835\udc99 \u2212 \ud835\udfd0"

"\ud835\udfd0\ud835\udc99 = \ud835\udfd4"

"\ud835\udc99 = \ud835\udfd1"


If angles ⦟𝟏 𝐚𝐧𝐝 ⦟𝟐 are consecutive interior angles, then they add up to 𝟏𝟖𝟎° , hence

"3\ud835\udc99 + \ud835\udfd2 + \ud835\udfd3\ud835\udc99 \u2212 \ud835\udfd0 = \ud835\udfcf\ud835\udfd6\ud835\udfce"

"\ud835\udfd6\ud835\udc99 + \ud835\udfd0 = \ud835\udfcf\ud835\udfd6\ud835\udfce"

"\ud835\udfd6\ud835\udc99 = \ud835\udfcf\ud835\udfd5\ud835\udfd6"

"\ud835\udc99 = 113\u00b0\ud835\udfcf\ud835\udfd3'\n."

a)

m<SDN = "5x+2"

m<SDN = "5 \\times 22.25 +2"

m<SDN = 𝟐𝟐°𝟏𝟓'

b)

m<DSA = "3x+4"

m<DSA = "3\\times22.25 + 4"

m<DSA = 70°4𝟓


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