Pythagorean theorem: a² + b² = c²

a² and b² are the legs, and c² is the hypotenuse.

Plug in 9 to a² and b² since you know that both the right triangle's legs are 9 cm.

9² + 9² = c²
81 + 81 = c²
162 = c²

Square root both sides.

c = 12.7 cm

6 0

3 years ago

Elaine had 27 buttons. Her grandmother donated 6 cards of buttons to the collection. Elaine sorted the buttons into 9 piles, put

yan [13]

36 buttons were on the cards

5 0

3 years ago

your $440 gets 5.8% interest compounded annually for for 8 years what will your $440 be worth in 8 years l?

Dmitriy789 [7]

Answer:

The answer is $690.78

Step-by-step explanation: