Answer: 
Step-by-step explanation:
The total number of cards =52
The number of kings in the cards = 4
If repetition is not allowed , then the total number of ways of choosing 3 cards will be :-

The number of ways of choosing 3 kings will be :-

Now, the probability of choosing 3 king cards will be :-

Hence, the probability of choosing 3 king cards =
Step-by-step explanation:
????????????????........
Answer:
a) 6/9
b) 66.66%
Step-by-step explanation:
a) Total number of the small triangles inside the big triangle=9
and the shades = 6
friction of shaded = 6÷9
b) percentage of shaded = 6÷9 ×100
=66.6666%
Answer:
m∠2=35°, m∠1=35°
Step-by-step explanation:
∠2 and ∠4 equal 180° when added, so 180-145=35
all angles of a triangle equal 180°, so 180-∠3-∠2=∠1
180-110-35= 35