Web20 apr. 2024 · If x = 2, the perimeter is inches. 2 See answers Advertisement itsminnila Answer: 129 inches Step-by-step explanation: If x=2, just substitute in the x values for … Web21. the perimeter of a regular Pentagon is 215 find the length of each side 22. Find the perimeter of the regular pentagon below. 7cm; 23. 3. Find the perimeter of the regular …
Perimeter (Meaning, Formula, Units, Calculation & Solved …
Web23 mrt. 2024 · Perimeter of the rectangle = 2 (l + b). By substituting the values in the formulae, we will get like Perimeter of the rectangle = 2 (10 + 5) = 2 (15) = 30cm. Therefore, the perimeter of the rectangle is equal to 30cm. 6. If the area of the rhombus is 20 square units and the height of the rhombus is 6 units, then calculate the base of the rhombus? WebSolution. Let the radius of the circle be r cm. Area of the circle = 154 cm 2. ⇒ π r 2 = 154 cm 2 ⇒ 22 7 × r 2 = 154 ⇒ r = 154 × 7 22 = 7 cm. ∴ Perimeter of the circle. = Circumference of the circle. = 2 π r = 2 × 22 7 × 7 = 44 cm. If the area of a circle is 154 cm 2, then its perimeter is ___44 cm___. Suggest Corrections. psych season 5 cast
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Web20 feb. 2024 · To find the perimeter of a triangle knowing its three sides (SSS triangle), all you have to do is add the three known sides. For example, the perimeter of a triangle … WebBy the formula of perimeter, we know; Perimeter of Parallelogram = 2 (a+b) P = 2 (8 + 11) P = 2 x 19 P = 38 cm Therefore, the perimeter of a given parallelogram is 38 cm. Question 3: If the radius of a circle is 21 cm, then find its perimeter. Solution: Given, Radius of circle = 21 cm We know, Perimeter of circle = Circumference of circle = 2πr WebNow, because of fact #1 above, all you need to do is calculate the perimeter of a circle (using facts #2 and #3) and then divide the answer by 2. In other words Perimeter of semicircle = (pi*d) ÷ 2. If you now want to calculate the perimeter of the semicircle and the triangle together, then all you have left to do is to add the length of the ... horus heresy 2022