Question

find the following using identities:- a. (155)²
b. (12)²-(10)²
c.(180)²
d.(180)^2
​

Answer 1

Answer:

1) 24025 , 2) 44, 3) 32400

Step-by-step explanation:

1) (155)² = 155*155 = 24025

2) (12)² - (10)² = 12*12 - 10*10 = 144 - 100 = 44

3) (180)² = 32400