Write the properties of obtuse angle triangle.

Important Questions on The Triangle and its Properties

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

The sum of all the three sides of an equilateral triangle is $15\sqrt{3} \mathrm{cm}$. The height of the triangle is_____.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

The length of side $AB$ and side $BC$ of a scalene triangle $ABC$ are $12 \mathrm{cm}$ and $8 \mathrm{cm}$ respectively. The measure of angle $C$ is $59°$. Find the length of side $AC$

MEDIUM

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

$∆\mathrm{ABC}$ is an equilateral triangle with side $18 \mathrm{cm}.$D is a point on BC such that BD$=\frac{1}{3}\mathrm{BC}$ . Then length (in cm) of A D is:

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

What is the area of a triangle whose sides are $7 \mathrm{cm}, 24 \mathrm{cm} \mathrm{and} 25 \mathrm{cm}?$

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

In the given figure $△\mathrm{ABC}$, if $\theta =80°,$ the measure of each of the other two angles will be:

MEDIUM

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

In a Triangle , if $\mathrm{AB}=\mathrm{AC}$ and $\angle \mathrm{ABC}=72°$ , then $\angle \mathrm{BAC}$is:

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

The perimeter of an isosceles triangle is $50 \mathrm{cm}$. If the base is $18 \mathrm{cm}$, then find the length of the equal sides.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

The side of an equilateral triangle is $10 cm$. Find its area (in $c{m}^2$).

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Explain the following term:
Obtuse triangle

MEDIUM

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

In a $∆ABC$, if $2\angle A=3\angle B=6\angle C$, calculate $\angle A,\angle B$ and $\angle C$.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Classify $△\mathrm{ABC}$ by its angle measures.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Explain the following term:
Acute triangle

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

One of the acute angles of a right triangle is $36°$. find the other.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

In $△ABC$, $\angle B=30°, \angle C=50°$. Name the smallest and the largest sides of the triangle.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

In a ∆XYZ, if $\angle X = 90° and \angle Z = 48°$, find ∠Y.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Classify $△\mathrm{CDE}$ by its angle measures.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Every triangle has at least _______ acute angles.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

What is the measure of each angle of an equilateral triangle?

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Find the angles of a triangle which are in the ratio $4:3:2$.

EASY

Mathematics>Geometry>The Triangle and its Properties>Triangle and Its Types

Can an isosceles triangle be a right triangle?