Answer:
9
Step-by-step explanation:
We know that
The balls hits the ground when h(t)=0, so
Note I only considered the positive case because time must be positive.
If both pairs of opposite angles of a quadrilateral are __________, then the quadrilateral is a parallelogram.
1 answer:
Answer:
Obtuse
Step-by-step explanation:
Angles of a parallelogram are supplementary to it's adjacent angles . One pair of opposite angles of a parallelogram is obtuse & other pair is acute . Here in the figure , ∠DAB & ∠BCD are obtuse angles and also opposite to each other whereas ∠ADC & ∠ABC are acute angles and are opposite to each other.
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Answer: 5 units
Step-by-step explanation:
The area of a parallelogram is . SInce we know the area and the height, we can directly plug the values into this equation and solve for the base.
20=b(4) [divide both sides by 4]
b=5 units
The solution is attached in the image below. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
