Answer:
81
Step-by-step explanation:
9 x 9 = 81
So, 81 is the perfect square.
81 is a perfect square
18 isn't a perfect square
50 isn't a perfect square
32 isn't a perfect square
Numbers whose square roots are whole numbers, or more accurately positive integers are called perfect root
Example 7×7=49
Mag kape ka nalang wag kana mag module
Sum of interior angles of a △ = 180°
∴ ∠T + ∠V + ∠U = 180°
⇒ 37° + 63° + X° = 180°
⇒ X° + 100 = 180°
⇒ X° = 180° - 100°
⇒ X° = 80° (D).
solving step wise:
or
