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Solve for y a. 7 cm b. 20 cm c. 14 cm d. 10 cm​

Solve for y a. 7 cm b. 20 cm c. 14 cm d. 10 cm​
asked 156k views
1 vote
Solve for y
a. 7 cm
b. 20 cm
c. 14 cm
d. 10 cm​

Solve for y a. 7 cm b. 20 cm c. 14 cm d. 10 cm​-example-1
asked
User Jemlifathi
by
8.1k points

1 Answer

2 votes

Answer:

20 cm

Explanation:

We can use ratios to solve

We know x = 7 since they are of equal length

x x+7

----- = -------

10 y

7 7+7

----- = -------

10 y

Using cross products

7y = 14*10

7y = 140

Divide by 7

7y/7 = 140/7

y = 20

answered
User Saurabh Thorat
by
7.3k points
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