Answer:
D. 140
Step-by-step explanation:
(D) 140 coins
Kate kept seven coins in the box, which is 5% of the entire collection.
This means that 5% of the coins = 7 coins
To find the total number of coins in the box, we need to find 100% of the coins.
5% = 7 coins
To get to 100%, we multiply the equation by 20 (because 5 x 20 is equal to 100).
100% = 7 x 20 = 140 coins
72
360 ÷ 5, because all shapes angles add up to 360. and a polygon has 5 sides
we are given
△ABC
we can use area of triangle formula
we have
AB=6
BC=10
m∠B=120°
so, we can plug it
..............Answer
20