Answer:
Addition → 23
Since 29 is a prime number and does not have least common factors beside itself and 1, there is only addition here, which would be <em>23 + 6</em>.
Answer:
<h3><em>
isosceles</em></h3>
An isosceles triangle is a triangle that has two sides of equal length.
An acute triangle is a triangle with three acute angles (less than 90°).
A scalene triangle has all its sides of different lengths. Equivalently, it has all angles of different measure.
An equilateral triangle is a triangle in which all three sides are equal.
Gcf is 7 since 21 can only be divided by 7 inn this situation