D. (2x + 2) cm. B. (2x + 3) cm. C. (x+ 3) cm. A. (x+ 2) cm. 14. The volume of a cube is 64 cm3. What is the length of its edge? А. 3 ст. 15. Which refers to a set of points that are with the same distance from a fixed point? A. center 16. A segment whose end-points are points of a circle is a D. 6 cm. B. 4 cm. C. 5 cm. D. circle B. radius C. secant C. chord D. tangent A.. radius Refer to O D for items 17 to 22. B. secant 17. What part of O D is EAC if Z EDC = 180°? A. semicircle E C. minor arc В. central angle 18. What part of OD is Z EDA? D. major arc A A. intercepted arc B. right angle 19. What is the measure of EFB ? C. central angle D. inscribed angle B A. exactly 60° C. exactly 180° B. between 180° and 360° D. between 0° and 180° 20. What is the measure of L ADC if AC = 120° ? А. 30° 21. What is the measure of FEB if 4 BCF = 75° ? В. 60° C. 120° D. 240° A. 75° В. 37.5° C. 300° D. 150° 22. What is the measure of FA if 4 FCE = 20° and EDA = 60° ? A. 100° 23. In the figure , if m AB = 80 and m DC = 120 В. 60° C. 40° D. 20° find m L AOD. B A. 60° С. 120° В. 100° D. 140° D 24. If the m PN is 100° what is the m PCN ? А. 100° В. 160° C C. 260° D. 460° ON 25. Which of the following is true about the measure of an inscribed angle? A. The measure of an inscribed angle is equal to the measure of its intercepted arc. B. The measure of an inscribed angle is the sum of 180° and the measure of its intercepted arc. C. The measure of an inscribed angle is double the measure of its intercepted arc. D. The measure of an inscribed angle is one-half the measure of its intercepted arc.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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