SSC CHSL 20211)One diagonal of a rhombus is 8√3 cm. If the other diagonal is equal to its side, then the area (in \(cm^2\) ) of the rhombus is:
32√3
SSC CHSL 20212)Find the area (in cm2) and the diameter (in cm), respectively, of a circle whose circumference is 40π cm?
400 π and 40
SSC CHSL 20213)What is the area (in \(m^2\), up to 1 place of decimal) of an equilateral triangular field of side 8.5 m?
\(18.1\sqrt3\)
SSC CHSL 20214)The perimeter of a rhombus is 148 cm, and one of its diagonals is 24 cm. The area (in cm2) of the rhombus is:
840
SSC CHSL 20215)What is the perimeter of a right-angled triangle whose sides (making 90°) are 20√3 cm and 15√3 cm?
60√3 cm
SSC CHSL 20216)A wire is bent to form a square of area 169 cm2.If the same wire is bent to form a circle, then what is its area (in cm2, to the nearest whole number)?
Take [\(\pi = \frac{{22}}{7}\) ]
215
SSC CHSL 20217)The perimeter and the area of a rectangular sheet are 42 m and 108 m2, respectively. The length of the diagonal is:
15 m
SSC CHSL 20218)ΔABC ~ ΔEDF, Area ABC ∶ Area DEF = 49 ∶ 4. If AB, AC, BC are, respectively, 10 cm, 14 cm, 21 cm, then what is the length (in cm) of EF?
4
SSC CHSL 20219)ΔABC ~ ΔPQR. The perimeters of ΔABC and ΔPQR are 72 cm and 43.2 cm, respectively. What is the ratio of the are area of ΔABC to the area of ΔPQR?
25 ∶ 9
SSC CHSL 202110)The sum of the radii of two circles is 286 cm and the area between the concentric circle is 50336 cm2 what are the radii (in cm) of the two circles? Take \( \pi =\frac{{22}}{7}\)
115 and 171