Vocabulary consisting only from characters you are able to read
活用
かつよう
(1)practical use, application, (2)(ling) conjugation, declension, inflection suru
All angles in a square are 90 degrees.math
見上げる
みあげる
(1)to look up at, to raise one's eyes, (2)to look up to, to admire, to respect ichidan, verb, vtrans
切れる
きれる
(1)to cut well/to be sharp/ (2)to break (off)/to snap/to wear out/ (3)to be injured/ (4)to burst/to collapse/ (5)to be disconnected/to be out of/to expire/to sever (connections) with/ (6)to be shrewd ichidan, jlpt3, leda1, verb, vintrans