Triangle A is an Isosceles
Triangle B is Equilateral
Triangle C is Scalene
Answer:
21
Step-by-step explanation:
Hope this helped have an amazing day!
Answer:
1500 words
Step-by-step explanation:
300 times 5 equals 1500.
Answer:
57°
Step-by-step explanation:
ALL angles in a triangle add up to 180°
SO, if we know the sum of two angles which is 123° (why: 33+90=123), all we have to do is subtract this number from 180 to get the measure of the 3rd angle. Which in this case is 57°
-x-29=13+2x
-29=13+3x
-42=3x
x=-14