একটি রম্বস ABCD তৈরি করুন, যখন: এক পাশ = 5.0 সেমি এবং উচ্চতা = 2.6 সেমি। | 9 | পলি নির্মাণ...

Solve for x and y : 0.4 x - 1.5 y = 6.5 , 0.3 x + 0.2 y = 0.9 .

In the given figure, ABCD is a trapezium in which AB = 9 cm, AD = BC= 6 cm, DC = x cm, and distance between AB and DC is 2 sqrt5 cm. The value of area of trapezium ABCD is k sqrt5 . Find the value of k.

A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries were recorded as follows: 2.6 3.0 3.7 3.2 2.2 4.1 3.5 4.5 3.5 2.3 3.2 3.4 3.8 3.2 4.6 3.7 2.5 4.4 3.4 3.3 2.9 3.0 4.3 2.8 3.5 3.2 3.9 3.2 3.2 3.1 3.7 3.4 4.6 3.8 3.2 2.6 3.5 4.2 2.9 3.6 Construct a grouped frequency distribution table for this data, using class intervals of size 0.5 starting from the interval 2 - 2.5.

ABCD is a parallelogram in which AE is perpendicular to CD (Fig. 9.54). Also AC = 5 cm, DE = 4 cm, and the area of DeltaAED = 6 cm^2 . Find the perimeter and area of ABCD.

Simplify the given expression : 5+ 0.6+ 0.03 + 0.004 + ( 9 xx 100) + ( 2 xx 10)

Convert into like decimals: a. 7.5, 64.23, 0.074 b. 0.6, 5.937, 2.36, 4.2 c. 1.6, 0.07, 3.58, 2.9 d. 2.5, 0.63, 14.08, 1.637