the total measure of these angles is 90?​

Sagot :

Answer:

right angles

Step-by-step explanation:

Angles that are 90 degrees (θ = 90°) are right angles. Angles that are 180 degrees (θ = 180°) are known as straight angles. Angles between 180 and 360 degrees (180°< θ < 360°) are called reflex angles.