Given that
∠ABC and ∠CBD are complementary
Sum of complementary angle = 90°
⇒ m∠ABC + m∠CBD = 90°
⇒ 25° + m∠CBD = 90° [ Given that m∠ABC = 25°]
⇒ m∠CBD = 90° - 25°
⇒ m∠CBD = 65°
Hence proved
Answer:
Step-by-step explanation:Let a be the length of line
from question we know that
a+3 is another line
Here
a+(a+3)=15. ( Given in question )
2a = 15 -3
2a=12
a=12/2
a=6
Here a and a +3 are the length of the line
Finally ,6 and 9 are the lengths
Answer:
63%
Step-by-step explanation:
First you want to take 3.50-2.87
Then you get .63
Then you are going to want to convert that to a percentage which is 63%
（This should be right but if its not please let me know）
Answer:
4
Step-by-step explanation
Formula: <em>b * h</em>/ 2 (Base times height divided by 2)
4 x 2 = 8
Divide in half
8/2 = 4
