2. What is the area of this triangle?
5 ft/
3 ft
4 ft
A. 6ft²
B. 12 ft?
C. 13 ft
D. 22 ft

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Find the interior angle of a regular polygon which has 6 sides

If m_b=mzd= 43, find mzc so that quadrilateral abcd is a parallelogram o 86 137 o 129 43 description