37.5k views
25 votes
Find DC round to the nearest tenth

Find DC round to the nearest tenth-example-1

2 Answers

7 votes

Explanation:

30.53

loooooooooooooooooooooool

User Dr Jerry
by
8.3k points
12 votes

Answer:

42

we can use trigonometric ratios (cos, sin, tan) to solve this


cos(54)=AD/20\\20cos(54)=AD\\AD=12\\

Using the pythagorean theorum we see that BD is 16

now we can use tan to solve for DC


tan(28)=16/DC\\DC=16/tan(28)\\DC=30\\30+12=42; AC=42

Explanation:

User Regina
by
7.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories