Question

Write True or False and justify your newer
1. The area of a triangle with base demand height oem is 24 em',
2. The area of ANC is en in which AB - AC-4 em and/A -
VIT em", is en un
' arte perimeter in 11 com una
3. The area of the soncele triangle is
base is 5 cm
4. The area of the equilateral triangle is 2003 om' whow each side is & emn
5. If the side of a thombus is 10 cm and one diagonal is 16 cm, the area ch
(​

Answer 1

Answer:

Using Pythagoras theoram in the right triangle ABC we get

AB

2

+AC

2

=BC

2

4

2

+4

2

=BC

2

∴BC=4

2

Areaofatriangle=

2

1

×AB×AC

=

2

1

×4×4=8

=

2

1

×BC×AD=8(Taking BC as base and AD as height)

=

2

1

×4

2

×AD=8

AD=2

2

=2×1.41429=2.83