The equation for the area of a triangle is ½bh or base time height decided by two. So you plug those numbers in: ½18 x 11 = ½198 = 99. The area of the triangle is 99cm².
I hoped this helped
Answer:
Step-by-step explanation:
No of ways in which 5 cards are chosen is 
No of ways in which at most 4 cards are spades
Total ways-5 spades

Probability that at most 4 cards are spade 



Answer:
Only odd numbers are existed.
78 i think bc its the only possible way fo get 10 to equal 88 when adding