3 years ago

HELP ME PLEASE!!! I DON'T UNDERSTAND!

Mathematics

2 answers:

krek1111 [17]3 years ago

7 0

Answer:

I believe that the answer is 12 but find someone who knows for sure.

Rama09 [41]3 years ago

3 0

Answer: 12

Step-by-step explanation:

this is a right angled triangle so you use the pythagorean theory

which is a^2 + b^2 = c^2

you have c and b already. c is the hypotenuse.

a^2 + 16^2 = 20^2

a^2 + 256 = 400

a^2 = 400 - 256

a^2 = 144

then you square root 144 and get..

a = 12

You might be interested in

Calculate and give your answer its simplest form. 8 /7 X 7/8 Your answer

Andru [333]

Answer:

1 I believe if your asking in in simplified form and if 8/7 and 7/8 are multiplied

Step-by-step explanation:

4 0

3 years ago

What is the measure of x ?

allsm [11]

Since a plane is 180 degrees total, x=135

180-45=135

3 0

4 years ago

What is the other portions n of the spinner that says “select a card” please explain step by step.

11Alexandr11 [23.1K]

A step by step proportion will be long

6 0

3 years ago

How do you do 0.5y = 17

aleksley [76]

34 you do 17×2 and get what you multiplily that by 0 .5

3 0

3 years ago

Find the surface area of the regular pyramid. 9 ft 6 ft Plsss help asap

olganol [36]

Answer:144

Step-by-step explanation: I explained what to do in the comments.

4 0

3 years ago