3. trisect means three
Three ! The answer is in the question !
An equilateral triangle has 3 equal angles of 60 degrees that add up to 180 degrees and trisecting a 60 degree angle equally would give 3 equal 20 degree angles.
128 cuz 180 take away 55 is 128
An equilateral triangle on on of the arms of the right angle.
The complement of a 55 degree angle is a 35 degree angle
First things first, the actual statement isn't "you can't trisect an angle" but rather "you can't trisect one with only a compass and straightedge." Some angles can be easily trisected--a 90-degree angle trisects into 30-degree segments-but to do it you need a protractor. Anyway, to check your work measure the angle you trisected and divide by three. If your trisections match, you got it right.
The angle opposite the 55 degree angle will also be 55 degrees. The other two angles will each measure 180 - 55 = 125 degrees.
First draw a 90 degree angle .Than draw a 20 degree angle from that 90 degree angle . Than the rest of the angle will be 90-20=70 .Now bisect the 70 degree angle we will get 70/2=35. Now add the rest of the angle means 35+20 =55 GOT 55 DEGREE ANGLE
3. trisect means three
acute
To trisect a right angle form an equilateral triangle with one vertex at the right angle and then bisect that angle of the equilateral triangle. (It is impossible to trisect a general angle using only compass and straight edge - the right angle is a specific exception.)
That's an acute angle.
Three ! The answer is in the question !
55 degrees.
A pair of complementary angles sum up to 90 degrees. In this instance, the complement of a 55-degree angle is 90 - 55 = 35 degrees.
Easiest is to use a protractor. Alternative: Draw a 90 degree angle. Bisect the external angle so that it is 45 degrees. Trisect that angle so that the angle adjacent to the 90 degree angle is 15 deg Then 90 + 15 degrees = 105 degrees. Both, bisection and trisection require the use of a compass (and ruler).