A farmer is estimating the surface area of his barn to find how much paint he needs to buy. One part of the barn is triangular a
s shown.
part a. The darkened sides in the figure are the edges of the roof. This trim will be painted white. Find the length of each of these two sides of the triangle. Explain how you found the answer.
part b. The triangular surface will be painted red. Find the area of the triangle. Explain how you found the answer
Djmonster456 please don't answer this question. It would be much appreciated.
part a. The darkened sides in the figure are the edges of the roof. This trim will be painted white. Find the length of each of these two sides of the triangle. Explain how you found the answer.
part b. The triangular surface will be painted red. Find the area of the triangle. Explain how you found the answer
Djmonster456 please don't answer this question. It would be much appreciated.
1 answer:
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<h2>Answer with explanation:</h2>
Given : An urn contains 2 red marbles and 3 blue marbles.
Total marbles = 2+3=5
a) The general ways in which the person could get a red marble and a blue marble are :
1) He draws red marble first and then second marble as blue.
2) He draws blue marble first marble and then second marble as red.
b) The number of ways to get one red and one blue marble is given by :-
(i)
c) Number of ways to get 2 marbles from 5 is given by :-
(ii)
Now, The probability the person gets a red and a blue marble will be :-
[Divide (i) by (ii)]
Hence, the probability the person gets a red and a blue marble= 0.6