Determine the size of the angle ABS.įind the area and the perimeter of a rectangle of length 45 1/2 cm and breadth 16 2/3 cm. The circumference of the circle k is 40 CM, and the length of the circular arc AB is 10 CM. Calculate the perimeter and area of the rectangle.Ĭalculate the length of the circular arc if the diameter d = 20cm and the angle alpha = 142 ° One side of the rectangle has length a=9/5 cm, and the length of side b is 7/10 cm greater than the length of side a. How many meters is this dimension larger than the width of the garden, which measures 15 1/2 m? Calculate the perimeter of the garden. The length of the garden measures 27 1/4m. Find the length of the part of its circumference that belongs to the given center angles of 180° How long will the tip of the hand describe in 1/2 hour? The minute hand of the alarm clock is 3.5 cm long. What must be the diameter of the drum machine pulley when the motor is at 351 RPM? The washing machine motor pulley has a diameter of 8 cm. The washing machine drum washes at 71 RPM. How many meters of the mesh must they buy if they leave 23/8 meters for the gate? Before they start building, they want to fence it. The Ešteveselšia family bought a rectangular plot measuring 30 and one-half by 26 and two-thirds meters. How many kg of grass seed must be bought to start a lawn in the shape of a circular section with a radius of r= 15 m and a central angle of 45 degrees if 1 g of grass seed is used per 1 dm of the square area? Determine the formula, in terms of x, that best describes the area of the rectangular plot. The plot with the following dimensions: Length=2x+1 Width=x-1. Duma recently inherited a rectangular plot, part of the estate left by his late father.
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