CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

Calculate the area of the triangle whose sides are 12 cm, 17 cm and 25 cm.


A

190 cm2

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

180 cm2

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

10 cm2

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

90 cm2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

90 cm2


For BCD,

b = 12 cm, c = 25 cm, and d = 17 cm
semiperimeter=s=25+17+122=27

Area of the triangle = A=s(sc)(sd)(sb)

Using Heron's formula,
A=27(2725)(2717)(2712)

=27×10×15

=34×102
=90 cm2


flag
Suggest Corrections
thumbs-up
18
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon