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GCSE Maths

Madz178

need help with this question found the area of the right angled triangle ut not the other non right angled triangle

here is the question

Original post by Yarramsettti123

use cosine rule to find the length. Then use the formula:1/2 a*b*sinc to find the area, and add both the triangles.

hi thanks for your help could you explain further as i did try to use it but i didn't get it right

Reply 3

Muttley79

Original post by Madz178

hi thanks for your help could you explain further as i did try to use it but i didn't get it right

Use the sine rule to find another side in the non-right angled triangle - I can't check what you did because I can't see all of it.

Not sure what the first few lines are about ....

Reply 4

Madz178

Original post by Muttley79

Use the sine rule to find another side in the non-right angled triangle - I can't check what you did because I can't see all of it.

Not sure what the first few lines are about ....