ПИЗА ДАЙЫНДЫ0 ТАПСЫРМАЛАРЫ ОҚУ САУАТТЫЛЫҚ. Гендіктрыданзгеріскешырааннімдер
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Task 10. An isosceles triangle.In an equilateral triangle, the value of the sum of the exterior angles at the base 3180. Question1.Can there be an internal angle of the triangle apex obtuse? Answer:. Question2.Find the angles of the triangle. Answer:. Task 11. The corners of the triangle.In the triangle ABC apex angle C equals 57 °, adjacent to the corner angle A is 163 °. Question1. What is the value of the angle BAC? Answer:. Question2.What is the magnitude of the angle ABC? Answer:. Question3.What is the value of the external angle at vertex B? Answer:. Question4:What is the value of the external angle at vertex C? Answer:. Task 12 Square shapesFigure 1 is given a figure.  Figure 1 Question 1. If the radius of the smaller circle 2 cm larger area of a circle larger than the area to 5π smaller circle, a rectangle 40 cm long and the width of the rectangle is 8 cm less than its length, which is the area of the shaded figure? Answer:. Question 2. If the area of the smaller circle π cm2, the radius of the larger circle is 3 cm larger than the radius the smaller the circle, the rectangle width 55 cm, and the length of the rectangle is 5 cm more than its width, then what is the area of the shaded figure? Answer:. Task 13 Square shapesFigure 2 is given a figure.  Figure 2 Question 1. If the radius of a circle of 2.5 cm, 0.5 cm length of the rectangle on the lower range of the radius and width of the rectangle of 0.7 cm less than the length, which is the area of the shaded figure? Answer:. Question 2. If the rectangle width 1.4 cm, length of a rectangle 3.8 cm greater than its width, and the circle radius of 0.8 times the length of the rectangle, then what is the area of the shaded figure? Answer:. |