To find the length of the altitude, we have to use the ratios of the similar sides.
Let the length of altitude=x
Ratio of sides:
$\frac{x}{3} = \frac{27}{x} \\
Cross \ multiply \\
 x^{2} =81 \\
Take \ square \ root.\\
 \sqrt{x^2}= \sqrt{81} \\
x=9 \\$
So length of altitude is 9 cm.

Answer: 9 cm

3 0

2 years ago

A test consists of 20 true/false questions. If a student guesses on each question, what Is the probability of getting exactly 15

k0ka [10]

Answer:

50%

Step-by-step explanation:

due to the fact that its true/false questions, so that means when you answer you have 2 choices. a 50/50 chance of getting them right or wrong

5 0

3 years ago

Jesse borrowed $350 from his mom to buy an electric scooter, Jesse will pay her

mash [69]

Answer:

the answer is C

350×3% =10.5

ans×5=21

6 0

2 years ago

Read 2 more answers

Andrew is 61 years. Erica is 31 years old. how many years ago was Andrew’s age 4 times Erica’s age

kozerog [31]

Answer:

21 Years Ago

Step-by-step explanation:

61 - 21 = 40

31 - 21 = 10

40/10 = 4

4 0

2 years ago