Resources

Resources

Find missing angles in special triangles

A right triangle has one angle that measures

30^\circ

. What is the measure of the other acute angle?

\newline

^\circ

A right triangle has one angle that measures

80^\circ

. What is the measure of the other acute angle?

\newline

^\circ

One angle of a right triangle measures

60^\circ

. What is the measure of the other acute angle?

\newline

^\circ

One angle of a right triangle measures

20^\circ

. What is the measure of the other acute angle?

\newline

^\circ

One angle of a right triangle measures

25^\circ

. What is the measure of the other acute angle?

\newline

^\circ

One angle of a right triangle measures

40^\circ

. What is the measure of the other acute angle?

\newline

^\circ

One angle of a right triangle measures

50^\circ

. What is the measure of the other acute angle?

\newline

^\circ

A right triangle has one angle that measures

45^\circ

. What is the measure of the other acute angle?

\newline

^\circ

In a right triangle, one angle measures

x^\circ

\newline

\sin x^\circ = \frac{4}{5}

\cos(90^\circ - x^\circ)

A right triangle has sides of

6 \mathrm{~cm}, 8 \mathrm{~cm}

10 \mathrm{~cm}

. Determine the measure of the smallest angle,

\theta

The area of a triangle is

6

. Two of the side lengths are

7

1

5

3

and the included angle is acute. Find the measure of the included angle, to the nearest tenth of a degree.

\newline

The area of a triangle is

3

. Two of the side lengths are

1

8

4

8

and the included angle is acute. Find the measure of the included angle, to the nearest tenth of a degree.

\newline

Find the area of triangle with base

5\,\text{cm}

7\,\text{cm}