CAPS · Grade 8 · R
The sides of △DEF are DF=17DF=17DF=17 cm, DE=15DE=15DE=15 cm and FE=8FE=8FE=8 cm. Determine, showing ALL calculations, whether △DEF is right-angled or not.
The sides of △ABC are CB=5CB=5CB=5 cm, CA=4CA=4CA=4 cm and BA=3BA=3BA=3 cm. Determine, showing ALL calculations, whether △ABC is right-angled or not.
The sides of △PQR are QP=13QP=13QP=13 cm, QR=12QR=12QR=12 cm and PR=5PR=5PR=5 cm. Determine, showing ALL calculations, whether △PQR is right-angled or not.
In △DEF, E^=90∘\hat{E}=90^\circE^=90∘, FE=9FE=9FE=9 cm and ED=40ED=40ED=40 cm. Calculate the length of FD.
In △ABC, B^=90∘\hat{B}=90^\circB^=90∘, AC=41AC=41AC=41 cm and AB=40AB=40AB=40 cm. Calculate the length of BC.
The sides of △XYZ are YZ=25YZ=25YZ=25 cm, YX=24YX=24YX=24 cm and ZX=7ZX=7ZX=7 cm. Determine, showing ALL calculations, whether △XYZ is right-angled or not.
In △XYZ, X^=90∘\hat{X}=90^\circX^=90∘, YZ=41YZ=41YZ=41 cm and YX=40YX=40YX=40 cm. Calculate the length of XZ.
The painter's ladder is 7,7 m long and leans against a vertical wall, with its foot 2,6 m from the wall. How high up the wall does the ladder reach? Give your answer correct to one decimal place.
In △PQR, Q^=90∘\hat{Q}=90^\circQ^=90∘, PR=50PR=50PR=50 cm and PQ=14PQ=14PQ=14 cm. Calculate the length of QR.
Thabo's ladder is 4,8 m long and leans against a vertical wall, with its foot 1,4 m from the wall. How high up the wall does the ladder reach? Give your answer correct to one decimal place.
In △ABC, C^=90∘\hat{C}=90^\circC^=90∘, BA=52BA=52BA=52 cm and BC=20BC=20BC=20 cm. Calculate the length of CA.
The sides of △PQR are PQ=15PQ=15PQ=15 cm, PR=12PR=12PR=12 cm and QR=9QR=9QR=9 cm. Determine, showing ALL calculations, whether △PQR is right-angled or not.