Answer:
sum of interior angle of triangle is 180°
therefore, 81°+37°+X=180°
118°+X =180°
X=180°-118°
X=62°
k+x=180°
k+62°=180°
k=180°-62°
k=118°
hence proved
OR
the sum of 2 interior angle is equal to a exterior angle,so 81°+37°=k
118°=k
Hope it will help you.
Answer:
Step-by-step explanation:
- 2.5×10³ × 3.4×10² =
- (2.5×3.4) × 10³⁺² =
- 8.5×10⁵
Answer:
56
Step-by-step explanation:
Answer:
78 times
Step-by-step explanation:
To answer this question, you have to divide 626 by 18. The answer is 78.28 and this rounds to 78 times.
40% since the number of books went UP it is a percent increase