Answer:
A. 25.7°
Step-by-step explanation:
the sum of straight angle is 180°.
so, i subtract 154.3 from 180.
i get 25.7 °
Answer:
Step-by-step explanation:
a convex pentagon is basically just a pentagon which sides are either less than or equal to a straight angle
Answer:
Scalene triangle
Step-by-step explanation:
An equilateral triangle has 3 equal sides.
An isosceles triangle has 2 equal sides.
A scalene triangle has no equal sides.
The range is 30 to find the range u subtract the biggest from the smallest so 81-51=30 hope this helps