Mensurationhard · Past Paper
Find the area of a quadrilateral ABCD where AB=7, BC=24, CD=20, DA=15 and angle ABC=90.
A234 sq. units
B250 sq. units
C300 sq. units
D210 sq. units
✓ Correct Answer: A — 234 sq. units
AC = sqrt(7^2+24^2)=25. Area ABC = 0.5*7*24 = 84. Area ADC using Heron (15,20,25) = 150. Total = 84+150=234.
Share this question
More from Mensuration
- Area of a circle is 616. Find its circumference.
- The volume of a cuboid is 440 cm^3 and its base area is 88 cm^2. Its height is:
- The inner radius of a pipe is 2 cm and length is 7 m. Find the volume of water it can hold.
- Find the volume of a cylinder with radius 7 cm and height 10 cm.
- Area of a square is increased by 69%. Side is increased by: