Order by 3PM Monday to Friday and receive your order by the next day (excluding bank holidays). Once your order ships, the mail services we use make every effort to meet expectations, but delays may occur and delivery may take longer, especially during holiday seasons or due to weather. The items you create are one of a kind, so please allow us time to make them. The delivery range is a reflection of the total number of business days your order should be delivered within. Please enter a numeric value for this field Sorry, your entry cannot exceed 9 characters Please enter your zip for accurate shipping info Staging, regression, pre-prod, productionĪpparel,Banners,Blankets,Books,BusinessCards,Calendar,CalendarPosters,Canvas,CardCalendar,Cards,Cases,Classic Wall Calendar,Clock,CollagePrints,Cubes,Desk Calendar,Drinkware,FaceMasks,HomeGifts,JewelryAccessories,Magnets,Mousepads,Notebooks,OfficeGifts,Ornaments,Panels,PetProducts,Pillows,PosterPrints,ProductSets,Stationery,Stickers,Stockings,Totes,Towelsĭelivery between Sorry, this design is no longer available. Would you like to keep shopping or view your cart ? ![]() 12.16), each piece measuring 20 cm, 50 cm, and 50 cm.Cards,canvas,posters,posterprints,banners,blankets,businesscards,magnets,pillows,stickers,drinkware,books,homedecor,panels,calendar,calendars,jewelryaccessories An umbrella is made by stitching 10 triangular pieces of cloth of two different colours (See Fig.If each side of the rhombus is 30 m and its longer diagonal is 48 m, how much area of grass field will each cow be getting? A rhombus shaped field has green grass for 18 cows to graze.If the sides of the triangle are 26 cm, 28 cm, and 30 cm, and the parallelogram stands on the base 28 cm, find the height of the parallelogram. A triangle and a parallelogram have the same base and the same area.Radha made a picture of an aeroplane with coloured paper as shown in Fig 12.15.We have found that the cost of polishing all the tiles at the rate of 50p per cm 2 is ₹ 705.60. It is given that there is a floral design on a floor that is made up of 16 tiles which are triangular, the sides of the triangle being 9 cm, 28 cm, and 35 cm. ![]() Find the cost of polishing the tiles at the rate of 50p per cm².Ĭlass 9 Maths NCERT Solutions Chapter 12 Exercise 12.2 Question 8 Video Solution: A floral design on a floor is made up of 16 tiles which are triangular, the sides of the triangle being 9 cm, 28 cm, and 35 cm (see Fig. ☛ Check: NCERT Solutions Class 9 Maths Chapter 12 Since, the cost of polishing 1cm 2 of tiles is 50p or ₹ 0.5 We have the dimensions of sides of each triangular tile.Īrea of each triangular tile = √ s(s - a)(s - b)(s - c)Īrea of 16 triangular tile = 16 × 36√6 cm 2 Where a, b and c are the sides of the triangle, and s = Semi-perimeter = Half the Perimeter of the triangle = (a + b + c)/2 Heron's formula for the area of a triangle, Area = √ s(s - a)(s - b)(s - c) Given: Dimensions of the triangular tiles.īy using Heron’s formula, we can calculate the area of triangle. Find the cost of polishing the tiles at the rate of 50p per cm 2. ![]() A floral design on a floor is made up of 16 tiles which are triangular, the sides of the triangle being 9 cm, 28 cm, and 35 cm (see Fig.
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