3 years ago

when does it makes sense to use similar triangles to measure the height and length of objects in real life?

1 answer:

6 0

When determining the height of an object like putting a high pole for a fence in ur yard. Or better yet when u cut down a tree and u wanna figure how much space u need to cur it down so u don't hit a house or someone else's property

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at least $580 to buy a new Bose sound system. He has $210 in savings and plans to save $30 a week until he has enough money to b

rusak2 [61]

Answer:

13 weeks

Step-by-step explanation:

multiply $30 by 13 weeks you get $390 add the $210 and get $600

4 0

3 years ago

Donovan took a math test and got 20 correct questions and 5 incorrect answers. What was the percentage of correct answers?

solong [7]

ANSWER

80%

EXPLANATION

Donovan got 20 questions correct and 5 questions incorrect.

This means that the total number of questions he attempted in the test is the sum of correct and incorrect questions:

Total = 20 + 5

Total = 25

To find the percentage of correct answers, we have to divide the number of correct answers by the total number of questions attempted and multiply by 100 (per cent).

That is: