Triangle angle relationships
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To find a missing a missing angle what are the steps? add all given angles then subtract from 180 add the angles to 180 Subtract angles from each other none of the above  170 Add up all the degrees inside the triangle. How many total degrees are there? 190 180 360 4.1 How many degrees are in a right angle Find the measure of ∡A 4.2 m∡A = B o 25o C 127o x A 4.1 Find the measure of ∡A m∡A = B 30 ο o 3x A C 4.1 Find the measure of ∡A m∡A = A o x 51o B C 4.2 Given the following diagram of ∆CDB. Find the value of x x = A o B xo 52o C D Given the following diagram of ∆CDB. Find the value of x.. 4.2 A x = C x o 58o D B (x + 12)o |
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