Challenger App

No.1 PSC Learning App

1M+ Downloads
The length and breadth of a rectangle are 12 cm and 9 cm, respectively. Its perimeter will be

A6 cm

B21 cm

C42 cm

D10.5 cm

Answer:

C. 42 cm

Read Explanation:

Perimeter of rectangle = 2(L + B) = 2 ( 12 + 9) = 2 x 21 = 42 cm


Related Questions:

If tan(90° - A) = √3, what is sin A?
What is the slope of line perpendicular to y = -3x + 7?
വാൻ ഹേൽസിന്റെ പഠന സിദ്ധാന്തത്തിന്റെ വിവിധ ഘട്ടങ്ങളുടെ ശരിയായ ക്രമം ചുവടെ കൊടുത്തിരിക്കുന്നവയിൽ ഏതാണ് ?
What is the area of the segment formed by a chord in a circle of radius 8 cm, if the angle subtended at the center is 60°?
66 A solid hemisphere of radius 10 cm is melted into two cones of equal height. If each cone's radius is 5 cm, what is the height of each cone?