Question

*In an isosceles right angled triangle what is the measure of each acute angle?*

1️⃣ 30°
2️⃣ 60°
3️⃣ 90°
4️⃣ 45°​

Answer 1

Answer:

30

Step-by-step explanation:

measure of angles of a triangle is 180

2 angles of isocles triangle are congruent

so let them be x

90+2x=180

2x=90

x=30

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Answer 2

The correct answer is option 4.

Given: An isosceles right angled triangle.

To Find: Measure of acute angle.

Solution:

As it is right angled triangle so one angle will be 90°.

And as the triangle is isosceles triangle so rest both the angles will be equal.

Second angle = third angle = x.

Sum of all angles of triangle = 180°.

90° + x + x = 180°

2x = 90°

x = 45°

Hence, the value of each acute angle is 45°.

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