Physical quantities - math word problems - page 289 of 298
Number of problems found: 5952
- Daily average
Calculate the average temperature during the day if the temperature was 24 °C for 14 hours and 14 °C for 10 hours. - Alpha angle
Right triangle. Given: side c = 15.8 and angle alpha = 73°10'. Calculate side a, b, angle beta, and an area. - n-gon
What is the side length of the regular 5-gon inscribed in a circle of radius 14 cm? - Triangle and its heights
Calculate the length of the sides of the triangle ABC if va=13 cm, vb=15 cm and side b are 5 cm shorter than side a. - Ice + water
A rectangular ice rink measuring 60 m × 30 m had a layer of ice 3 cm thick. How many litres of water were used to create the ice? - An angle
An angle x is opposite side AB which is 10, and side AC is 15, which is the hypotenuse side in triangle ABC. Calculate angle x. - Pentagon
Calculate the area of a regular pentagon whose diagonal has length u = 18. - Black building
Jozef built a building with a rectangular footprint of 3.9 m × 6.7 m. Calculate by what percentage the building exceeds the legal limit of 25 m² for a small building. A building constructed without planning permission is called an illegal building. Also c - Cosine
The point (3, 4) is on the terminal side of angle θ. cos θ = ... - Sine
In the triangle Δ ABC, if sin α =0.6 and sin β =0.7 Calculate sin γ. - A rectangle 5
A rectangle has sides of 10 cm and 14 cm. Calculate the angle between a diagonal and a long side. - N-gon II What is the side length of the regular 9-gon circumscribed circle of radius 13 cm?
- Height 2
Calculate the height of an equilateral triangle with side 22. - Greatest angle
Calculate the greatest triangle angle with sides 124, 323, 302. - Side c
In △ABC a=1, b=6 and ∠C=110°. Calculate the length of the side c. - Mow the lawn
Dan would mow the lawn in 12 hours and Milada in 16 hours. How long will it take the lawn mow together? - Circular sector
I have a circular sector with a length of 15 cm with an unknown central angle. It is created from a circle with a radius of 5 cm. What is the central angle alpha in the circular sector? - Crosswind
A plane is traveling 45 degrees N of E at 320 km/h when it comes across a current from S of E at 115 degrees of 20 km/h. What are the airplane's new course and speed? - Trigonometry
Given that cos(γ) = sin(806°), find the angle γ. - Forces
Forces with magnitudes F1 = 42 N and F2 = 35 N act at a common point and make an angle of 77°12'. How big is their resultant?
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