Question

एक त्रिभुज की भुजाएँ 7 cm, 8 cm, 9 cm हैं, तो
त्रिभुज का क्षेत्रफल ( cm में) कितना होगा?​

Answer 1

Answer:

A=7

A=7B=8

A=7B=8C=9

A=7B=8C=9PERI.=24

A=7B=8C=9PERI.=24 S=12

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)√12(5) (4) (3)

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)√12(5) (4) (3)√3X2X2X5X2X2X3

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)√12(5) (4) (3)√3X2X2X5X2X2X33X2X2√5

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)√12(5) (4) (3)√3X2X2X5X2X2X33X2X2√512√5

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)√12(5) (4) (3)√3X2X2X5X2X2X33X2X2√512√512X 2.236

A=7B=8C=9PERI.=24 S=12Area of a triangle by Heron's formula√S(S - A) (S - B) (S - C)√12(12-7) (12-8) (12-9)√12(5) (4) (3)√3X2X2X5X2X2X33X2X2√512√512X 2.23626.832cm2