WebSolution: (a) Radius = Diameter/2 = 2.8/2 cm = 1.4 cm Circumference of semi-circle = πr = (22/7)×1.4 = 4.4 Circumference of the semi-circle is 4.4 cm Total distance covered by the ant= Circumference of semi -circle+Diameter = 4.4+2.8 = 7.2 cm (b) Diameter of semi-circle = 2.8 cm Radius = Diameter/2 = 2.8/2 = 1.4 cm Circumference of semi-circle = r WebAs in Exercise 11 (a) above, find the general rule that gives the number of matchsticks in terms of the number of triangles. Solutions: (a) We may observe that in the given matchstick pattern, the number of matchsticks are 4, 7, 10 and 13, which is 1 more than the thrice of the number of squares in the pattern
NCERT Solutions for Class 11 Maths Chapter 11 Conic Sections - BYJUS
WebNov 20, 2024 · November 20, 2024. in 7th Class. NCERT Book for Class 7 Maths Chapter 11 Perimeter and Area is available for reading or download on this page. Students who … WebSolution:- A median connects a vertex of a triangle to the mid-point of the opposite side. (b) In ΔPQR, PQ and PR are altitudes of the triangle. Solution:- An altitude has one endpoint at a vertex of the triangle and another on the line containing the opposite side. (c) In ΔXYZ, YL is an altitude in the exterior of the triangle. Solution:- rolled sandwiches cream cheese
NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions - BYJUS
WebAccess answers to NCERT Solutions for Class 7 Maths Chapter 5 – Lines and Angles Exercise 5.1 Page: 101 1. Find the complement of each of the following angles: (i) Solution:- Two angles are said to be complementary if the sum of their measures is 90 o. The given angle is 20 o Let the measure of its complement be x o. Then, = x + 20 o = 90 o WebSolution:-. A figure has a line of symmetry, if there is a line about which the figure may be folded so that the two parts of the figure will coincide. So, the other hole is shown in the figure below. 3. In the following figures, the mirror … WebMaths is a very numeric extensive subject and the questions in the exams require students to be thorough with all the topics and have good problem-solving abilities. Below are some of the strategies which can help the class 11 students to prepare for the maths exam in a more effective way and score well in it. Know the Syllabus and Pattern outboard prop pitch