MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Area of a Triangle - By Heron's Formula

Mark O agains...

Question

Mark (✓) against the correct answer:
The base of a triangle is 14 cm and its height is 8 cm. The area of the triangle is
(a) 112 cm²
(b) 56 cm²
(c) 122 cm²
(d) 66 cm²

Open in App

Solution

(b) 56 cm²
$Area of the triangle = (\frac{1}{2} \times 14 \times 8) {cm}^{2}$
$= 56 {cm}^{2}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Mark (✓) against the correct answer:
The base of a triangle is four times its height and its area is 50 m². The length of its base is
(a) 10 m
(b) 15 m
(c) 20 m
(d) 25 m

Q. Mark (✓) against the correct answer:
the area of the base of a circular cylinder is 35 cm² and its height is 8 cm. The volume of the cylinder is
(a) 140 cm³
(b) 280 cm³
(c) 420 cm³
(d) 210 cm³

Q. The height of an equilateral triangle is 6 cm. Its area is
(a)

12 \sqrt{3} {cm}^{2}

6 \sqrt{3} {cm}^{2}

12 \sqrt{2} {cm}^{2}

Q. Mark (✓) against the correct answer:
The length of a rectangle is 8 cm and each of its diagonals measures 10 cm. The breadth of the rectangle is
(a) 5 cm
(b) 6 cm
(c) 7 cm
(d) 9 cm

Q. Mark (✓) against the correct answer:
The surface area of a cube is 384 cm². Its volume is
(a) 512 cm³
(b) 256 cm³
(c) 384 cm³
(d) 320 cm³

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Area of a Triangle - by Heron's Formula

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Area of a Triangle - By Heron's Formula

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon