Gonyonhatu yemutwi: Mativi matatu egonyonhatu iri anopiwa mazita akasiyana zvichibva pamamiriro akaita gonyonhatu. Kune mativi maviri anosvika pamukwava une gonyo ye 90o; pamativi aya rokutanga rikanzi hwaro(adjacent), repiri richabva ranzi darisanwa (opposite side). Divi guru rine nhambwe yakareba kupfura mamwe rinonzi muzendami (hypotenuse) nokuti rinoita sokunge rakazendamiswa rakatsigirwa kuhwaro nemutwi.