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The measure of an interior angle of a regular polygon is 135 degrees. Find the number of sides in the polygon. This is what I tried: 180(x2)=135 [Interior Angle Sum Theorem] x2=.75 x=2.75 That can't be right though. Help? Not

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Using deductive reasoning, complete the following. The sum of the angles of any quadrilateral is 360° In quadrilateral PQRS, m∠S=50° Therefore... A.m∠P+m∠Q+m∠S=310° B.m∠P+m∠Q+m∠S=360° C.m∠P+m∠Q+m∠R=360°

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Write the general solution to y = arcsin (0.6428). 40°±360°k 140°±360°k 220°±360°k 320°±360°k How do I find the right answer? I am like seriously stuck. I need help please.

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4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution: sin(180−è) = sin 180−sin è, and, because sin 180 is zero, it follows that sin(180−è) is the same as −sin è. Is this answer

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The formula A = 180(n2)/n relates to the measure A of an interior angle of a regular polygon to the number of sides n. If an interior angle measures 120 degrees, find the number of sides A)5 B)6 C)8 D)10 I have NO clue on how to

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Determine the correct formula for the measures of all angles coterminal with the angle: 140° a. 140° + (360° + n) b. 140° + n(360°) c. 360° + n(180°) d. 360° + (180° + n)

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Express in functions of theta: a. sin ( 810 theta) b. cot ( theta  360) c cos (180 theta)

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Please help quick 1) an iscosceles triangle includes two 72 degree angles. Which equation could be used to find the measure of the third angle? A x + 72 = 180 B x = 180  72 C 72 ÷ x = 180 D 180  2(72) = x Please answer quickly

MathsSs triG
Consider sin(x360)sin(90x)tan(x)/cos(90+x) 1.A.SIMPLIFY sin(x360)sin(90x)tan(x)/cos(90+x) to a single trigonometric ratio B.hence or otherwise without using a calculator,solve for X if 0

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What is the sum of the interior and the exterior angles of a 100gon? Would the interior be (1002)180 = 98*180=17640 degrees. is the exterior figured out 360/100= 3.6 degrees.

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