## Ismaiel Kalady is teaching live on Unacademy Plus

MENSURATION OF 2D SHAPES 1 20 QUESTIONS AREA & PERIMETER TRICKS unacademy Follow my Profile for more classes, ISMAIEL KALADY

Course Overview Basics of 2D Shapes v Area & Perimeter of all 2D Shapes How to remember Equations? All Types of Problems Previous Year PSC Questions smaiel Kalady

Special Live Class Launched Live Classes by Top Educators in India Recorded Lectures Recordings of all Lectures available post the live Class Study Materials & Notes Doubt Clearing Sessions Private Discussion Forums in Social Platforms Live Interactions Registration Time : 12 - 1:30pm Ismaiel Kalady

Special Live Class Launched unac 2. 3 men can do a work in 6 days. After 2 days 3 more men joined them. How many days will they take to complete the remaining work? Yes RahuMohan Achu-19.04 Work in 2 days 3 x 2 6 Remaining Work 18-6 12 Yes Ruby J Babu 19:0 Days needed 0252 days no probiem brother haja zaffer 19.0 (3+3) 6 Krishna Kumar A S joined You can only comment during a live class Ismaiel Kalady

2D Shapes Two-dimensional (2D) shape has only has two measurements, such as length and height, and is usually called a 'flat' shape. Eg Rectangle, square, triangle, circle, etc.. The unit of area will be in square units cm , m 2 2 Ismaiel Kalady

Rectangle Equations Figure Ismaiel Kalady

Rectangle Equations Figure Length 1 Breadth-> b Perimeter = 2(1 + b) Area = 1 b Ismaiel Kalady

Square Equations Figure Ismaiel Kalady

Square Equations Figure Side of a square >a Perimeter 4a Area - a x a a Ismaiel Kalady

1. The sides of two squares are in the ratio 3:4 .The ratios of their areas is Ans: smaiel Kalady

1. The sides of two squares are in the ratio 3:4 .The ratios of their areas is: Ans: Ratio of Side- 3:4 Ratio of their areas 32: 42 9:16 Ismaiel Kalady

2. The number of marble slabs of size 25 cm x 25 cm required to pave the floor of a square room of side 10 metres is Ans: Area of Square room a2- (10 x 10) m2 (10 x 100 x 10 x 100) cm2 Area of Marble slabs a2 (25 x 25) cm2 Ismaiel Kalady

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