Find the value of x. Round to the nearest tenth a. 12.9b. 8.5c. 12.4d. 8.1
2 answers:
Answer: The required value of x is 8.1 units.
Step-by-step explanation: We are given to find the value of x from the figure.
From the figure, we notice that
it is a right-angled triangle with the length of the hypotenuse 10 units and one of the acute angle is of measure 36°.
Now, for the angle with measure 36°, the length of the base is x units and the length of the hypotenuse is 10 units.
Therefore, from the laws of trigonometry, we have
Thus, the required value of x is 8.1 units.
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Answer:
Step-by-step explanation:
See attachment for the figure
Volume of pyramid can be defined as
V = 1/3 x area of the base x height.
-> Pyramid A:
Volume of Pyramid can be determined by:
V = 1/3 x (2.6cm)² x (2cm) = 4.5067 cm³
Pyramid B:
Volume of Pyramid can be determined by:
V = 1/3 x (2cm)² x (2.5cm) = 3.3333 cm³
Difference b/w two oblique pyramids: 4.5067 cm³ - 3.333 cm³ = 1.17 cm³
By Rounding the volumes to the nearest tenth of a centimeter
1.17cm³ ≈ 1.2cm³
Therefore, the difference of the volumes of the two oblique pyramids is 1.2cm³
